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State
Correctional Institutions
State of Oregon —
Jails and Prisons (Correctional Institutions). The Jails and Prisons sub-layer is part of the Emergency Law Enforcement Sector and the Critical Infrastructure... -
Federal
North American Rail Network Lines
Federal Geographic Data Committee —
The North American Rail Network (NARN) Rail Lines dataset was created in 2016 and was updated on July 18, 2025 from the Federal Railroad Administration (FRA) and is... -
Railroads
District of Columbia —
Centerlines of railroads or Metrorail are captured. The line is at the midpoint between each rail line. Hidden features due to tunnels, overpasses, or bridges are... -
State
Shellfish
State of Connecticut —
Shellfish polygons were digitized from hand drawn polygons representing hardclam, softclam, and oyster beds produced by the Department of Agriculture from their... -
Federal
Right of Way (Feature Layer)
Department of Agriculture —
An area depicting a privilege to pass over the land of another in some particular path; usually an easement over the land of another; a strip of land used in this way... -
City
Underground Railroad Sites
City of Ferndale, Michigan —
These sites were compiled through the National Network to Freedom-Underground Railroad Program, National Park Service, Harriet Tubman National Historic Site. These... -
Traffic Barrier 2017
District of Columbia —
Traffic Barrier. The dataset contains polylines representing planimetric barriers, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office... -
Stairs 2013
District of Columbia —
Stair. The dataset contains polygons representing planimetric Stairs, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief... -
City
Census 2020 Blocks
City of Hartford —
The United States Census Bureau defines Blocks as a "statistical areas bounded by visible features, such as streets, roads, streams, and railroad tracks, and by... -
Roads 2017
District of Columbia —
Roads. The dataset contains polygons representing planimetric roads, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief... -
Railroads 2017
District of Columbia —
Railroad. The dataset contains polylines representing planimetric railroads, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of... -
Federal
National Wild and Scenic River Segments (Feature Layer)
Department of Agriculture —
This polyline feature class depicts the classification of each wild and scenic river segment designated by Congress and the Secretary of the Interior for the United... -
Railroads 2015
District of Columbia —
Railroad. The dataset contains polygons representing planimetric railroads, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the... -
Federal
BLM AK Fiber Optics/Telephone LUA
Department of the Interior —
The land use authorization dataset includes the following authorization types: communication sites, facility/site, fiber optics/telephone, lease/permit, pipeline,... -
University
New Mexico, 2010 Census Block State-based
Earth Data Analysis Center, University of New Mexico —
The TIGER/Line Files are shapefiles and related database files (.dbf) that are an extract of selected geographic and cartographic information from the U.S. Census... -
State
Connecticut Railroads
State of Connecticut —
Connecticut Railroads is a 1:24,000-scale, feature-based layer that includes railroad features on the U.S. Geological Survey (USGS) 7.5 minute topographic quadrangle... -
Census Blocks in 2020
District of Columbia —
Census blocks are statistical areas bounded on all sides by visible features (e.g., streets, roads, streams, and railroad tracks), and by non-visible boundaries (e.g.,... -
Federal
Rail Mileposts
Federal Geographic Data Committee —
The Rail Mileposts dataset was updated on June 15, 2025 and was created on July 15, 2025 by the Federal Railroad Administration (FRA), and is part of the U.S....