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  1. Ephemera
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  3. Iowa
  4. 1939

WHAT

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  2. Atlas Map (1)
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  4. Soils (1)

WHERE

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  1. Baker, Oliver Edwin (1)
  2. Marbut, Curtis F. (1)
  3. U.S. Department of Agricu … (1)

WHEN

  1. 1931 (1)
  2. 1936 (1)
REFINE 

Browse All : Ephemera and Pictorial map of Iowa from 1939

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Soil Map of the United States, Section 2. Atlas of American Agriculture.  
Soil Map of the United States by Curtis ...
Soil Map of the United States, Section 2...
1931
National Atlas
Author
Marbut, Curtis F.
Full Title
Soil Map of the United States by Curtis F. Marbut and Associates in the Soil Survery, U.S. Department of Agriculture, F.J. Marschner, Cartographer and Associate in Compilation. 1931. Soils, Plate 5, Section 2. Lith. A. Hoen & Co., Inc. Atlas of American Agriculture.
Publisher
U.S. Department of Agriculture
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