Iowan drift problem
Subtitle: northeastern Iowa
By: [by] R. V. Ruhe [and others]
Contributors: Ruhe, Robert V., 1918-; United States. Soil Conservation Service.; Iowa Agricultural and Home Economics Experiment Station.
Publisher: Iowa Geological Survey
Published: 1968
Place of publication: Iowa City
Language: eng
Number of pages: 40
Subjects: Drift -- Iowa.; Glacial epoch -- Iowa.
Notes: Bibliography: p. 38-40.
Prepared in cooperation with Soil Conservation Service, U.S. Dept. of Agriculture, and Iowa Agriculture Experiment Station, Ames.