Ground water.
Contributors: Geological Survey (U.S.)
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 1994
Place of publication: [Denver, CO]
Language: eng
Number of pages: 23
Subjects: Groundwater -- United States.; Aquifers -- United States.; Groundwater ecology -- United States.
Notes: Shipping list no.: 94-0400-P.