Soil survey of Ringgold County, Iowa
By: United States Department of Agriculture, Soil Conservation Service ; in cooperation with the Iowa Agriculture and Home Economics Experiment Station, Cooperative Extension Service, Iowa State University, and Division of Soil Conservation, Iowa Department of Agriculture and Land Stewardship.
Contributors: United States. Soil Conservation Service.
Publisher: The Service
Published: 1992
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 230
Subjects: Soils -- Iowa -- Ringgold County -- Maps.; Soil surveys -- Iowa -- Ringgold County.
Notes: Includes bibliographical references (p. 149-150).
Cover title.
"By Louis E. Boeckman"--P. 1.
Item 0102-B-15
Shipping list no.: 92-0469-P.
"Issued April 1992"--P. iii.
Includes index to map units.