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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 -
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 -
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: 45 | Catalog Last Checked: September 18, 2026 at 07:44 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: 41 | Catalog Last Checked: September 10, 2026 at 08:16 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 -
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 -
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 -
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 -
Services provided by the Enterprise Information Services, E-Government Program for state of Oregon departments, boards, commissions, offices and branches of government.
Search relevance: 1.00 | Views last month: 28 | Catalog Last Checked: September 10, 2026 at 06:40 PM -
This dataset is a compilation of ocean station data including measurements of temperature, salinity, chlorophyll, transmissivity, and pressure, collected using CTD, XBT, and expendable current...
Search relevance: 1.00 | Views last month: 28 | Catalog Last Checked: August 27, 2026 at 07:36 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 -
These limits and boundaries are measured from the official U.S. baseline, which is recognized as the low-water line along the coast as marked on NOAA nautical charts, in accordance with the...
Search relevance: 1.00 | Views last month: 27 | Catalog Last Checked: August 25, 2026 at 09:50 PM -
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American...
Search relevance: 1.00 | Views last month: 26 | Catalog Last Checked: September 10, 2026 at 10:50 PM -
This resource is a member of a series. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's...
Search relevance: 1.00 | Views last month: 26 | Catalog Last Checked: August 02, 2026 at 05:58 AM
