Machine-readable data files from the Madison limestone and northern Great Plains regional aquifer system analysis projects, Montana, Nebraska, North Dakota, South Dakota, and Wyoming
By: by Joe S. Downey.
Contributors: Geological Survey (U.S.)
Series: Water-resources investigations -- 82-4107
Publisher: U.S. Dept. of the Interior, Geological Survey
Published: 1982
Place of publication: Denver, Colo
Language: eng
Number of pages: 26
Subjects: Groundwater -- Great Plains -- Data processing.; Aquifers -- Great Plains -- Data processing.
Notes: Distributed to depository libraries in microfiche.

Bibliography: leaf 26.