Soil survey, Humboldt County, Iowa
By: [report by Ellsworth M. Richlen, Sanford M. Smith, and David F. Slusher] ; United States Department of Agriculture, Soil Conservation Service, in cooperation with Iowa Agricultural Experiment Station.
Contributors: Smith, Sanford M.; Slusher, David F.; United States. Soil Conservation Service.; Iowa Agriculture and Home Economics Experiment Station.
Series: Soil survey -- ser. 1956, no. 18.
Publisher: The Service
Published: 1961
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 71
Subjects: Soils -- Iowa -- Humboldt County -- Maps.; Soil surveys -- Iowa -- Humboldt County.
Genres: Maps.
Other titles: Soil survey of Humboldt County, Iowa.; Humboldt County, Iowa.
Notes: Cover title.

"Soil survey of Humboldt County, Iowa."--p. 1 (booklet).

"Issued January 1961."

Includes map index.