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USGS Groundwater Information Pages
Find links to data, a national atlas of principal aquifers, USGS groundwater publications, and other resources.
USGS Aquifer Basics
Describes aquifers by rock type and provides maps of aquifers across the U.S.
Ground-water Availability in the United States
This report examines what is known about the Nation's ground-water availability and outlines a program of study by the U.S. Geological Survey Ground-Water Resources Program to improve understanding of ground-water availability in major aquifers across the U.S. Available as a PDF document.
Rivers, Streams, & Floods
Check out the Water Resources links on the Water, Oceans, and Fisheries page of the Environmental Science subject guide for additional resources.
Field Guide to Rivers of North America
A reference book that describes North America's most significant rivers in a concise format. The guide is organized by geographic regions - each section begins with a map showing the relationship of rivers within one territory and a summary of the region's most important elements.
A U.S. Geological Survey (USGS) site that displays maps, graphs, and tables describing real-time, recent, and past streamflow conditions for the United States.
Floods Monitor - NOAAWatch
A map with current river conditions across the U.S. and links to other resources about floods.
Large Floods in the United States: Where They Happen and Why
A 19-page PDF document published by the USGS in 2003 that describes the spatial distribution of flooding in the U.S.
Hydrogeology Books at CU
Log in to the Intranet then click the title link below to view the full text of ebooks.
The list below is just a selection. Check the catalog for additional online and print books on hydrogeology.