Graphs of ground water levels in Minnesota through 1956
By: by G. C. Straka and Robert Schneider. Prepared cooperatively by the Geological Survey, U.S. Dept. of the Interior and the Division of Waters, Minnesota Dept. of Conservation.
Contributors: Schneider, Robert, 1921- joint author.
Published: 1957
Place of publication: St. Paul
Language: eng
Number of pages: 42
Subjects: Groundwater -- Minnesota.; Water-supply -- Minnesota.