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State
2020 Census Tracts
State of Oregon —
This data layer is an element of the Oregon GIS Framework. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and... -
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Soils Farmland Classification
State of Connecticut —
Farmland classification identifies map units as prime farmland, farmland of statewide importance, farmland of local importance, or unique farmland. It identifies the... -
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Oregon ZIP Codes
State of Oregon —
US Postal Service Zone Improvement Plan (ZIP) Codes are used throughout the United States to improve mail delivery. There are 479 unique 5-digit ZIP Codes in Oregon... -
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Solar Radiation - Monthly and Annual Normals
State of Oregon —
Monthly 30-year "normal" dataset covering the conterminous U.S., averaged over the climatological period 1991-2020. Contains spatially gridded average annual daily... -
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Electric Utility Service Territories (polygon)
State of Arkansas —
This data is a graphic representation of electric utility service territories. The file has not been certified by a Professional Surveyor. This data is not suitable... -
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Zoning
State of Oregon —
This Zoning feature class is an element of the Oregon GIS Framework statewide, Zoning spatial data. This version is authorized for public use. Attributes include... -
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ASR Towers FCC (point)
State of Arkansas —
Data available online through the Arkansas Spatial Data Infrastructure (ASDI) at http://gis.arkansas.gov. Federal Communications Commission Antenna Structure... -
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GNIS
State of Oregon —
The Geographic Names Information System (GNIS) is the Federal standard for geographic nomenclature. The U.S. Geological Survey developed the GNIS for the U.S. Board... -
State
Lake Bathymetry Contours Lines
State of Connecticut —
See full Data Guide here. Lake Bathymetry describes the water depth for selected reservoirs, lakes, ponds, and coves in Connecticut. It includes depth contours, also... -
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Geologic Map Index of Alaska
State of Alaska —
The Geologic Map Index of Alaska (Map Index) is a GIS web feature service paired with an interactive web map application that provides access to an actively growing... -
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Cities
State of Oregon —
This map layer includes cities and towns in Oregon. These cities were clipped from a larger dataset of cities collected from the 1970 National Atlas of the United... -
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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... -
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2024 Availability by Town (Unserved and Underserved Locations)
State of Connecticut —
Link to block layer: Connecticut Broadband Availability Data by Block 2024 -
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Connecticut Planning Region Index
State of Connecticut —
Connecticut Planning Region Index is a general purpose index map of Connecticut Planning Regions based on mapped information compiled at 1:125,000 scale (1 inch... -
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Electric Transmission Lines
State of Oregon —
This data layer is an element of the Oregon GIS Framework. Electric transmission lines as imported from DLG and traced from orthoimagery and lidar surface models.... -
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National Forest Boundaries
State of Oregon —
An area encompassing all the National Forest System lands administered by an administrative unit. The area encompasses private lands, other governmental agency lands,... -
State
Long Island Sound Submerged Cable And Pipeline Areas
State of Connecticut —
The Long Island Sound Submerged Cable and Pipeline Areas layer is a polygon feature-based layer that includes the location of submerged cable and/or pipeline areas in... -
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Tsunami inundation maps of Fox Islands communities, including Dutch Harbor and Akutan, Alaska
State of Alaska —
Potential tsunami hazards for the Fox Islands communities of Unalaska/Dutch Harbor and Akutan were evaluated by numerically modeling the extent of inundation from... -
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Updated tsunami inundation maps for Homer and Seldovia, Alaska
State of Alaska —
We re-evaluate the potential tsunami hazard for the communities of Homer and Seldovia by numerically modeling the extent of inundation from tsunami waves generated by... -
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Radon Data
State of Oregon —
The polygons in this feature class are geologic map units assigned a radon potential rank, based on three major geologic factors: geologic materials, aerial...