Soil survey, Isanti County, Minnesota
[by R. S. Farnham and others. Correlation of soils by I. J. Nygard.
- Washington, U.S. Govt. Print. Off.] 1958.
- ii, 60 p. illus., maps (part fold. col.) 28 cm.
Cover title. "In cooperation with University of Minnesota Agricultural Experiment Station"