Skip to main content

Search datasets

#1 County
Hydrology Polygons Data Dictionary
- Organization: Lake County, Illinois
- Dataset Last Updated: March 23, 2022 at 09:19 PM
An in-depth description of the Hydrology Polygons GIS dataset outlining terms of use, update frequency, attribute explanations, and more.
- WEB
Search relevance: 226.03 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 05:58 PM
#2 Federal
Massachusetts Stream Crossing Project Data Web Map Service (ver. 2.0, July 2026)
- Organization: Department of the Interior
- Dataset Last Updated: July 24, 2026 at 12:00 AM
The U.S. Geological Survey (USGS) and the University of Massachusetts at Amherst (UMass Amherst), in cooperation with the Massachusetts Department of Environmental Protection (MassDEP), began a...
- XML
- XML
Search relevance: 41.43 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:26 PM

Filter selections are applied on each click

Looking for U.S. government information and services?

Visit USA.gov