Hydrologic Unit Maps

U.S. Geological Survey, Water Supply Paper 2294

by Paul R. Seaber, F. Paul Kapinos, and George L. Knapp

The text and graphics are presented here in pdf format (print quality):

The full report is 6.28 MB.

The report is also available in sections below in pdf, for a faster download.

If you have Adobe Acrobat Reader installed on your computer, you may view and/or print the PDF version of this report. If you do not have Acrobat Reader, you may download it here.

Users with visual disabilities can visit this site for conversion tools and information to help make PDF files accessible.

Sections available in pdf:

Section 1 -- 2.24 MB
History and development
Description of the hydrologic units
Description of the Hydrologic Unit Maps
Compilation guidelines
Review and approval
Conflicts regarding boundaries
Maintenance and updating
Selected bibliography

Section 2 -- 2.31 MB

Section 3 -- 2.11 MB




U.S. Department of the Interior, U.S. Geological Survey
Persistent URL:
Page Contact Information: Contact USGS
Last modified: Wednesday, December 07 2016, 03:04:11 PM
FirstGov button  Take Pride in America button