Index of surface-water records
Subtitle: part 5, Hudson Bay and upper Mississippi River basins : to September 30, 1950
By: prepared by Champaign District
Contributors: Geological Survey (U.S.)
Series: Geological Survey circular -- 113; Geological Survey circular -- 113.
Publisher: U.S. Department of the Interior, Geological Survey
Published: 1951
Place of publication: Washington
Language: eng
Number of pages: 22
Subjects: Hydrology; Hydrological stations
Notes: Cover title.

Includes index.