Water-resources investigations of the U.S. Geological Survey in the northern Great Plains coal region of eastern Montana, 1974-75
Series: Open-file report; Open-file report (Geological Survey (U.S.))
Publisher: [U.S. Geological Survey]
Published: 1975
Place of publication: Helena, Mont
Language: eng
Number of pages: 22
Subjects: Water quality; Measurement; Groundwater; Water quality monitoring stations
Notes: "Prepared in cooperation with the State of Montana and other agencies."

"January 1975."