Author

Contributions

  • Gray, A. L. b. 1898. - Contributor
  • United States. Bureau of Chemistry and Soils. - Contributor
  • Iowa Agricultural Experiment Station. - Contributor

Publication

1930 - Government Printing Office, Washington, D.C, District of Columbia

Language

English

Word Count

7,750 words, Guess

Page Count

31 pages

Identifiers

Subjects

Topics

MapsSoilsSoil surveysSoil surveys -- Iowa -- Clayton CountySoils -- Iowa -- Clayton County -- Maps

Genres

  • Maps

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