Socioeconomic Features of Mississippi

Questions? Need More Information?
This page last updated:
March 16, 2000

Socioeconomic Features of Mississippi

Data Dictionary

70.5 Minute Contours

Description: This dataset consists of contour lines. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: Varies by quad
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: 1.0-2.0 megabytes
Source: USGS; MARIS Technical Center
Link: Mississippi Automated Resource Information System

70.5 Minute Quadrangle Grid

Description: This dataset consists of the polygon grid of 70.5 minute U.S. Quadrangle Survey topographic map boundaries and map names. More detailed information can be found in the metadata files located at the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1993
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: 0.5-1.0 megabytes
Source: MARIS Technical Center
Link: Mississippi Automated Resource Information System

Acute Care Hospitals

Description: This dataset consists of the locations of acute care hospitals. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: October 1994
Format: Unknown
File Size: Under 0.5 megabytes
Source: Division of Medicaid, Office of the Governor, Mississippi Information for State Health Policy Program (INFOSHP)
Link: Mississippi Automated Resource Information System

Airport Runways

Description: This dataset consists of airport runways. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1990
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: Under 0.5 megabytes (Avg Co.)
Source: U.S. Bureau of the Census - TIGER file and USGS 70.5 minute topographic maps.
Link: Mississippi Automated Resource Information System

Borders of the Counties and State

Description: This dataset consists of county and state boundaries. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1990
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: Under 0.5 megabytes (Avg Co)
Source: U.S. Bureau of Census - TIGER file.
Link: Mississippi Automated Resource Information System

Casino Locations

Description: This dataset consists of the locations of Mississippi gaming facilities. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: November 1994
Format: Unknown
File Size: Under 0.5 megabytes
Source: Mississippi State University - Social Science Research Center
Link: Mississippi Automated Resource Information System

Census Blocks

Description: This dataset consists of Census block boundaries. Blocks are subunit of census block groups. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1991
Format: Polygon coverage in Arc/Info
File Size: 0.5-1.0 megabytes (Avg Co.)
Source: U.S. Bureau of the Census - Post Census TIGER file
Link: Mississippi Automated Resource Information System

Census Block Groups

Description: This dataset consists of Census block group boundaries. Block groups are a subunit of census block numbering areas. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1991
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: 0.5-1.0 megabytes (Avg Co.)
Source: U.S. Bureau of the Census - Post Census TIGER file
Link: Mississippi Automated Resource Information System

Census Block Numbering Areas

Description: This dataset consists of Census tract/block numbering areas. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1990
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: 0.5-1.0 megabytes (Avg Co.)
Source: U.S. Bureau of the Census- Post Census TIGER file
Link: Mississippi Automated Resource Information System

Census Places

Description: This dataset consists of the boundaries of designated places, incorporated cities, Indian reservations, military reservations, and unincorporated communities. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: January 1992 to present
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: Under 0.5 megabytes (Avg Co.)
Source: U.S. Bureau of Census -TIGER file, MS Public Utilities Staff
Link: Mississippi Automated Resource Information System

Census TIGER Files

Description: This dataset consists of TIGER files. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1991
Format: Polygon coverage in Arc/Info
File Size: 2.0-4.0 megabytes (Avg Co.)
Source: U.S. Bureau of the Census - Post Census TIGER file
Link: Mississippi Automated Resource Information System

CERCLA Sites

Description: This dataset consists of the locations of sites and facilities regulated by the U.S. EPA under the Comprehensive Environmental Response, Compensation, and Liability Act - Superfund waste control programs. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1994
Format: Point coverage in Arc/Info
File Size: under 5 megabytes
Source: Department of Environmental Quality - Office of Pollution Control.
Link: Mississippi Automated Resource Information System

Chancery Court Districts

Description: This dataset consists of boundaries of the Mississippi Chancery Court Districts based on the 1990 Census. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: May 1994
Format: Unknown
File Size: 0.5-1.0 megabytes
Source: Mississippi Standing Joint Legislative Committee on Reapportionment
Link: Mississippi Automated Resource Information System

Choctaw Indian Tribal Lands

Description: This dataset consists of boundaries of the Mississippi Choctaw Indian tribal lands. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1996
Format: Unknown
File Size:Under 0.5 megabytes
Source: Mississippi Band of Choctaw Indians
Link: Mississippi Automated Resource Information System

Circuit Court Districts

Description: This dataset consists of boundaries of the Mississippi Circuit Court Districts based on the 1990 Census. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: May 1994
Format: Unknown
File Size: 0.5-1.0 megabytes
Source: Mississippi Standing Joint Legislative Committee on Reapportionment
Link: Mississippi Automated Resource Information System

Community College Districts

Description: This dataset consists of the multi-county districts assigned to the community colleges by the Community College Board. More detailed information can be found in the metadata file on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1994
Format: Polygon coverage in Arc/Info
File Size: Under 0.5 megabytes
Source: Mississippi Community College Board
Link: Mississippi Automated Resource Information System

Community Health Districts

Description: This dataset consists of the locations of the community health centers. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: October 1994
Format: Unknown
File Size: Under 0.5 megabytes
Source: Division of Medicaid, Office of the Governor, Mississippi Information for the State Health Program (INFOSHP)
Link: Mississippi Automated Resource Information System

County Roads and City Streets

Description: This dataset consists of county roads, city streets, and trails. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1983
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: 0.5-1.0 megabytes (Avg Co.)
Source: U.S. Geological Survey DGLs; Mississippi Department of Transportation
Link: Mississippi Automated Resource Information System

Department of Corrections Regions

Description: This dataset consists of the jurisdictional regions of the Mississippi Department of Corrections. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: January 1997
Format: Unknown
File Size: Under 0.5 megabytes
Source: Mississippi Department of Corrections, MARIS Technical Center
Link: Mississippi Automated Resource Information System

Department of Corrections Sites

Description: This dataset consists of the locations of the Mississippi Department of Corrections facilities. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: January 1997
Format: Unknown
File Size: Under 0.5 megabytes
Source: Mississippi Department of Corrections, MARIS Technical Center
Link: Mississippi Automated Resource Information System

Department of Transportation Districts

Description: This dataset consists of boundaries of the Mississippi Department of Transportation districts. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1993
Format: Polygon coverage in Arc/Info
File Size: Under 0.5 megabytes
Source: Mississippi Institutions of Higher Learning
Link: Mississippi Automated Resource Information System

Electric Utility Services Areas

Description: This dataset consists of certificated service areas of electric utility providers. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: Varies (1989 - Present)
Format: Polygon coverage in Arc/Info
File Size: Under 0.5 megabytes (Avg Co.)
Source: Mississippi Public Utilities Staff
Link: Mississippi Automated Resource Information System

Elevations (DEM)

Description: This dataset consists of source elevations for the conterminous U.S. More detailed information can be found in the metadata file.
Geographic Area: Nationwide
Date: 1979-1990
Format: ArcView Shapefile
File Size: Unknown
Source: USGS DEM raster files
Link: EPA BASINS

EPA Regional Boundaries

Description: This dataset consists of boundaries of the 10 regional offices of the EPA in the conterminous U.S. More detailed information can be found in the metadata file.
Geographic Area: Nationwide
Date: 1994
Format: ArcView Shapefile
File Size: Unknown
Source: USGS State Boundaries, derived from DLG's
Link: EPA BASINS

Federal and Indian Lands

Description: This dataset consists of the boundaries of all types of managed areas existing in the conterminous U.S., including lands held by federal, state, tribal, and private agencies and organizations. More detailed information can be found in the metadata file.
Geographic Area: Nationwide
Date: Unknown
Format: ArcView Shapefile
File Size: Unknown
Source: U.S. Fish and Wildlife Service GAP Program
Link: EPA BASINS

Forest Industry Sites

Description: This dataset consists of the locations of primary and secondary forest industry sites. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1990
Format: Point coverage in Arc/Info
File Size: under 5 megabytes
Source: Tennessee Valley Authority/Mississippi Forestry Commission
Link: Mississippi Automated Resource Information System

Gas Utility Service Areas

Description: This dataset consists of certificated service areas of gas utility providers. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: Varies (1989 - Present)
Format: Polygon coverage in Arc/Info
File Size: Under 0.5 megabytes (Avg Co.)
Source: Mississippi Public Utilities Staff
Link: Mississippi Automated Resource Information System

High Accuracy Reference Network

Description: This dataset consists of the point locations of the High Accuracy Reference Network. More detailed information can be found in the metadata file located at the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1993
Format: Point coverage in Arc/Info
File Size: 0.5-1.0 megabytes
Source: National Geodetic Survey
Link: Mississippi Automated Resource Information System

Highway Patrol Districts

Description: This dataset consists of boundaries of the Highway Safety Patrol districts. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: October 1989
Format: Unknown
File Size: Under 0.5 megabytes
Source: Mississippi Department of Public Safety
Link: Mississippi Automated Resource Information System

House of Representatives Districts

Description: This dataset consists of boundaries of the Mississippi House of Representatives districts based on the 1990 Census. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1992
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: 2.0-5.0 megabytes
Source: Mississippi Standing Joint Legislative Committee on Reapportionment
Link: Mississippi Automated Resource Information System

Inactive Railroads

Description: This dataset consists of inactive and abandoned railroads. More detailed information can be found in the metadata file located at MARIS.
Geographic Area: Mississippi, statewide
Date: 1990
Format: Line coverage in Arc/Info
File Size: Under 0.5 megabytes (Avg Co.)
Source: U.S. Bureau of the Census - TIGER file; Mississippi Department of Economic and Community Development
Link: Mississippi Automated Resource Information System

Index Contours

Description: This dataset consists of county-wide edgematched index contour lines. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: Varies by quad
Format: Unknown
File Size: 2.0-5.0 megabytes
Source: USGS; MARIS Technical Center
Link: Mississippi Automated Resource Information System

Latitude/Longitude Grid

Description: This dataset consists of the 10 minute grid of latitude/longitude reference lines and annotation. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1994
Format: Line coverage in Arc/Info
File Size: 0.5-1.0 megabytes
Source: MARIS Technical Center
Link: Mississippi Automated Resource Information System

Mental Health Regions

Description: This dataset consists of boundaries of the state's 15 Regional Health Centers. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: March 1998
Format: Unknown
File Size: Under 0.5 megabytes
Source: Mississippi Department of Mental Health, Division of Planning and Public Information.
Link: Mississippi Automated Resource Information System

Multi-County Industrial Districts

Description: This dataset consists of boundaries of Mississippi multi-county industrial districts. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1993
Format: Polygon coverage in Arc/Info
File Size: Under 0.5 megabytes
Source: Mississippi Institutions of Higher Learning
Link: Mississippi Automated Resource Information System

National Historic Registry Sites

Description: This dataset consists of the locations of Mississippi's Historic Registry Sites (1,050 sites). More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: June 1998
Format: Unknown
File Size: Under 0.5 megabytes
Source: National Register of Historic Places
Link: Mississippi Automated Resource Information System

Planning and Development Districts

Description: This dataset consists of boundaries of Mississippi planning and development districts. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1993
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: Under 0.5 megabytes
Source: Mississippi Institutions of Higher Learning
Link: Mississippi Automated Resource Information System

Populated Place Locations

Description: This dataset consists of locations of populated places are represented on USGS topographic maps. More detailed information can be found in the metadata file.
Geographic Area: Nationwide
Date: 1989-1994
Format: ArcView Shapefile
File Size: Unknown
Source: USGS 1:24,000 Topographic maps and USGS Geographic Name Information System II (GNISII) Topographic names data
Link: EPA BASINS

Primary Roads

Description: This dataset consists of the primary road system. More detailed information can be found in the metadata file located at MARIS (Mississippi Automated Resource Information System).
Geographic Area: Mississippi
Date: 1983
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: Under 0.5 megabytes
Source: U.S. Geological Survey DLGs; Mississippi Department of Transportation
Link: Mississippi Automated Resource Information System

Public Colleges/Universities

Description: This dataset consists of the locations of all public universities, community colleges, their branches, and off-site campuses. More detailed information can be found in the metadata file on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1992
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: Under 0.5 megabytes
Source: MARIS Technical Center
Link: Mississippi Automated Resource Information System

Public School Districts

Description: This dataset consists of the boundaries of Mississippi public school districts. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1992
Format: Polygon coverage in Arc/Info
File Size: Under 0.5 megabytes (Avg Co.)
Source: U.S. Bureau of Census - TIGER file
Link: Mississippi Automated Resource Information System

Public Service Commission Districts

Description: This dataset consists of boundaries of the Mississippi Public Service Commission Districts. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1993
Format: Polygon coverage in Arc/Info
File Size: Under 0.5 megabytes
Source: Mississippi Institutions of Higher Learning
Link: Mississippi Automated Resource Information System

Railroads

Description: This dataset consists of the active railroad system. More detailed information can be found in the metadata file located at MARIS (Mississippi Automated Resource Information System).
Geographic Area: Mississippi
Date: 1990
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: Under 0.5 megabytes (Avg Co.)
Source: U.S. Bureau of the Census - TIGER files. Mississippi Department of Economic and Community Development
Link: Mississippi Automated Resource Information System

RCRIS Sites

Description: This dataset consists of the locations of sites and facilities regulated by the EPA under Resource Compliance Recovery Act waste control programs. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1994
Format: Point coverage in Arc/Info
File Size: under 5 megabytes
Source: Department of Environmental Quality - Office of Pollution Control
Link: Mississippi Automated Resource Information System

Recreational Facilities

Description: This dataset consists of recreational facilities including parks and historic sites. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: July 1995
Format: Unknown
File Size: Under 0.5 megabytes
Source: Mississippi Department of Wildlife, Fisheries, and Parks
Link: Mississippi Automated Resource Information System

Secondary Roads

Description: This dataset consists of three digit highways, e.g., Mississippi Highway 471, and the Natchez Trace Parkway. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1983 - Present
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: Under 0.5 megabytes (Avg Co.)
Source: U.S. Geological Survey DGLs; Mississippi Department of Transportation
Link: Mississippi Automated Resource Information System

Sections

Description: This dataset consists of section and township boundaries with associated annotation. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: Varies
Format: Polygon coverage in Arc/Info
File Size: 0.5-1.0 megabytes(Avg. Co)
Source: U.S. Geological Survey 70.5 min topographic maps.
Link: Mississippi Automated Resource Information System

Senate Districts

Description: This dataset consists of boundaries of the Mississippi Senate Districts based on the 1990 Census. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1992
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: Under 0.5 megabytes
Source: Mississippi Standing Joint Legislative Committee on Reapportionment
Link: Mississippi Automated Resource Information System

Sewer Service Areas

Description: This dataset consists of certificated service areas of sewer utility providers. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: Varies (1989 - Present)
Format: Polygon coverage in Arc/Info
File Size: Under 0.5 megabytes (Avg Co.)
Source: Mississippi Public Utilities Staff
Link: Mississippi Automated Resource Information System

Supreme Court Districts

Description: This dataset consists of boundaries of the Mississippi Supreme Court Districts. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1993
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: 0.5-1.0 megabytes
Source: Mississippi Institutions of Higher Learning
Link: Mississippi Automated Resource Information System

Survey Districts

Description: This dataset consists of the Public Land Survey System survey districts. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: Varies
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: 0.5-1.0 megabytes (Avg. Co)
Source: U.S. Geological Survey 70.5 minute topographic maps
Link: Mississippi Automated Resource Information System

Telephone Utility Service Areas

Description: This dataset consists of certificated service areas of telephone utility providers. More detailed information can be found in the metadata file located on the MARIS homepage
Geographic Area: Mississippi, statewide
Date: Varies (1989 - Present)
Format: Polygon coverage in Arc/Info
File Size: Under 0.5 megabytes (Avg Co.)
Source: Mississippi Public Utilities Staff
Link: Mississippi Automated Resource Information System

Townships

Description: This dataset consists of township boundaries with associated annotation. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: Varies
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: 0.5-1.0 megabytes
Source: U.S. Geological Survey 70.5 minute topographic maps
Link: Mississippi Automated Resource Information System

Toxic Release Inventory

Description: This dataset consists of the locations of sites and facilities regulated by the U.S. EPA under toxic release waste control programs. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1994
Format: Point coverage in Arc/Info
File Size: under 5 megabytes
Source: Mississippi Emergency Management Agency
Link: Mississippi Automated Resource Information System

Transmission Lines

Description: This dataset consists of electrical power transmission lines. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1990
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: Under 0.5 megabytes (Avg Co.)
Source: U.S. Bureau of the Census - TIGER file and USGS 1:100,000 maps
Link: Mississippi Automated Resource Information System

Underground Storage Tanks

Description: This dataset consists of the locations of underground storage tanks. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1988
Format: Point coverage in Arc/Info
File Size: 1.0-2.0 megabytes
Source: MARIS Technical Center
Link: Mississippi Automated Resource Information System

Urbanized Areas

Description: This dataset consists of boundaries of the census defined urbanized areas. More detailed information can be found in the metadata file.
Geographic Area: Nationwide
Date: 1990
Format: ArcView Shapefile
File Size: Unknown
Source: U.S. Bureau of Census Urbanized area limit database.
Link: EPA BASINS

U.S. Congressional Districts

Description: This dataset consists of boundaries of the U.S. Congressional Districts based on the 1990 Census. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1992
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: Under 0.5 megabytes
Source: Mississippi Standing Joint Legislative Committee on Reapportionment.
Link: Mississippi Automated Resource Information System

U.S. Army Corp of Engineers Districts

Description: This dataset consists of boundaries of the U.S. Army Corps of Engineers districts. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1990
Format: Polygon coverage in Arc/Info
File Size: Under 0.5 megabytes
Source: U.S. Army Corps of Engineers
Link: Mississippi Automated Resource Information System

Voting Precincts 1990

Description: This dataset consists of boundaries of county voting precincts as of October 1, 1990. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1990
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: Over 10 megabytes
Source: MARIS Technical Center
Link: Mississippi Automated Resource Information System

Wastewater Discharge Sites

Description: This dataset consists of the locations of National Pollutant Discharge Elimination System Sites. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1992
Format: Point coverage in Arc/Info
File Size: under 5 megabytes
Source: Department of Environmental Quality - Office of Pollution Control - Surface Water Division
Link: Mississippi Automated Resource Information System

Waste Treatment Impoundments

Description: This dataset consists of the locations of domestic sewage lagoons and industrial waste water impoundments. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1980
Format: Point coverage in Arc/Info
File Size: Under 0.5 megabytes
Source: Department of Health, Department of Environmental Quality - Office of Pollution Control
Link: Mississippi Automated Resource Information System

Water Development Districts

Description: This dataset consists of boundaries of major water development districts. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1994
Format: Polygon coverage in Arc/Info
File Size: Under 0.5 megabytes
Source: Department of Economic and Community Development
Link: Mississippi Automated Resource Information System

Water Utility Service Areas

Description: This dataset consists of certified service areas of water utility providers. More detailed information can be found in the metadata file on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: Varies (1989 - Present)
Format: Polygon coverage in Arc/Info
File Size: Under 0.5 megabytes
Source: Mississippi Public Utilities Staff
Link: Mississippi Automated Resource Information System

Wellhead Protection Areas

Description: This dataset consists of the 10-year, time-of-travel zones determined by the Well Head Protection Act, EPA wellhead protection model. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: 1994
Format: Polygon coverage in Arc/Info
File Size: Under 0.5 megabytes
Source: Department of Environmental Quality - Office of Pollution Control
Link: Mississippi Automated Resource Information System

Zip Code Boundaries

Description: This dataset consists of boundaries of zip code areas matched to census block boundaries. More detailed information can be found in the metadata file located on the MARIS homepage.
Geographic Area: Mississippi, statewide
Date: June 1995
Format: Available in three formats: MSTM projection in ARCE (vector), MSTM projection in ArcView Shapefile, or Lat/Long projection in ArcView Shapefile.
File Size: Under 0.5 megabytes
Source: U.S. Bureau of Census Blocks; A-Metro Map; U.S. Postal Service

Link: Mississippi Automated Resource Information System