Search results for: Threlkeld, George

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  1. 1

    Soil survey of Shiawassee County, Michigan

    Authors: Threlkeld, George
    Published: U.S. Department of Agriculture, Soil Conservation Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1974
    Physical Description: 113 pages, 25 unnumbered folded leaves of plates : illustrations (43 folded color), maps ; 29 cm
    Government Document Book
  2. 2

    Soil survey, Ionia County, Michigan

    Authors: Threlkeld, George
    Published: United States Department of Agriculture, Soil Conservation, Service : [for sale by the Superintendent of Documents, U.S. Government Printing Office], 1967
    Physical Description: ii, 167 pages, 10 leaves, 96 pages, 3 unnumbered folded leaves of plates : ill.col. maps ; 28 cm
    Government Document Book