Summary appraisals of the nation's ground-water resources, Upper Mississippi region
By: by R. M. Bloyd, Jr.
Series: Geological Survey professional paper ; 813-B; Geological Survey professional paper ;; 813-B.
Publisher: U.S. Govt. Print. Off.
Published: 1975
Place of publication: Washington
Language: eng
Number of pages: 22
Subjects: Water-supply -- Mississippi River Valley.; Groundwater -- Mississippi River Valley.
Notes: Bibliography: p. 22.