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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 on Geographic Names, a Federal...
Search relevance: 1.00 | Views last month: 93 | Catalog Last Checked: September 10, 2026 at 09:50 PM -
This dataset shows the temporal frequency and spatial extent of cyanobacteria cells in large, freshwater lakes and reservoirs across the continental United States derived from 300x300 meter MEdium...
Search relevance: 1.00 | Views last month: 89 | Catalog Last Checked: August 03, 2026 at 04:16 AM -
When a species is proposed for listing as endangered or threatened under the Endangered Species Act, the U.S. Fish and Wildlife Service must consider whether there are areas of habitat believed to...
Search relevance: 1.00 | Views last month: 58 | Catalog Last Checked: September 10, 2026 at 06:04 PM -
The Walkability Index dataset characterizes every Census 2019 block group in the U.S. based on its relative walkability. Walkability depends upon characteristics of the built environment that...
Search relevance: 1.00 | Views last month: 58 | Catalog Last Checked: August 03, 2026 at 04:49 AM -
This web feature service contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to the Toxic Release Inventory...
Search relevance: 1.00 | Views last month: 52 | Catalog Last Checked: November 03, 2026 at 04:12 PM -
Summaries of Consumption-Based Emission Inventory (CBEI) results for states outside the Northeast, in other words states not covered in EPA's report on CBEIs the Northeastern States...
Search relevance: 1.00 | Views last month: 46 | Catalog Last Checked: September 10, 2026 at 07:01 PM -
The Employer Database System is a database of all Oregon employers and their history of workers’ compensation (WC) insurance coverage. The system produces a snapshot of current employers with...
Search relevance: 1.00 | Views last month: 42 | Catalog Last Checked: November 03, 2026 at 11:31 PM -
These unprojected (geographic coordinates) 3-Zone Average Annual Salinity Digital Geographies are based on analysis of long-term salinity data for 147 estuaries of the contiguous United States....
Search relevance: 1.00 | Views last month: 42 | Catalog Last Checked: November 03, 2026 at 04:22 PM -
This dataset represents the GIS Version of the Public Land Survey System including both rectangular and non-rectangular surveys. The primary source for the data is cadastral survey records housed...
Search relevance: 1.00 | Views last month: 38 | Catalog Last Checked: September 10, 2026 at 06:23 PM -
This dataset, termed "GAGES II", an acronym for Geospatial Attributes of Gages for Evaluating Streamflow, version II, provides geospatial data and classifications for 9,322 stream gages...
Search relevance: 1.00 | Views last month: 37 | Catalog Last Checked: October 14, 2026 at 05:12 AM -
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 on Geographic Names, a Federal...
Search relevance: 1.00 | Views last month: 36 | Catalog Last Checked: September 10, 2026 at 06:41 PM -
This web feature service contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to the Risk Management Plan...
Search relevance: 1.00 | Views last month: 35 | Catalog Last Checked: November 03, 2026 at 04:12 PM -
Oregon Fish Habitat Oregon Fish Habitat Distribution. These data describe areas of suitable habitat believed to be used currently or historically by native or non-native fish populations. The term...
Search relevance: 1.00 | Views last month: 35 | Catalog Last Checked: September 10, 2026 at 06:40 PM -
This web feature service contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to the Risk Management Plan...
Search relevance: 1.00 | Views last month: 34 | Catalog Last Checked: November 03, 2026 at 04:12 PM -
The Surface Management Agency (SMA) Geographic Information System (GIS) dataset depicts Federal land for the United States and classifies this land by its active Federal surface managing agency....
Search relevance: 1.00 | Views last month: 33 | Catalog Last Checked: September 10, 2026 at 06:21 PM -
This web service depicts nearly 17,000 neighborhood boundaries in over 650 U.S. cities. Zillow created the neighborhood boundaries and is sharing them with the public under a Creative Commons...
Search relevance: 1.00 | Views last month: 32 | Catalog Last Checked: August 03, 2026 at 04:45 AM -
This web feature service contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to the Toxic Substances Control...
Search relevance: 1.00 | Views last month: 28 | Catalog Last Checked: November 03, 2026 at 04:12 PM -
This GIS dataset contains points which depict air quality monitors within EPA's Air Quality System (AQS) monitoring network. This dataset is updated weekly to reflect the most recent changes in...
Search relevance: 1.00 | Views last month: 27 | Catalog Last Checked: August 03, 2026 at 04:43 AM -
Oregon Fish Habitat Oregon Fish Habitat Distribution. These data describe areas of suitable habitat believed to be used currently or historically by native or non-native fish populations. The term...
Search relevance: 1.00 | Views last month: 27 | Catalog Last Checked: September 10, 2026 at 06:41 PM
