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
Format: Microform
Subjects: Groundwater -- Great Plains -- Data processing.; Aquifers -- Great Plains -- Data processing.
Notes: Bibliography: p. 26.

Microfiche. [Denver, Colo.? : U.S. Geological Survey, 1983]. 1 microfiche ; 11 x 15 cm.