Showing 1 - 6 results of 6 for search 'Keith, John R.', query time: 0.04s Refine Results
  1. 1
    Elemental composition of corn grains, soybean seeds, pasture grasses, and associated soils from selected areas in Missouri : a study of geochemical variation between four vegetation-type areas as indicated by analyses of cultivated plants and soils

    Elemental composition of corn grains, soybean seeds, pasture grasses, and associated soils from selected areas in Missouri : a study of geochemical variation between four vegetatio... by Erdman, James A., Shacklette, Hansford T., Keith, John R.

    Washington : U.S. Govt. Print. Off., 1976
    Format: Government Document Book


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  2. 2
    Elemental composition of corn grains, soybean seeds, pasture grasses, and associated soils from selected areas in Missouri

    Elemental composition of corn grains, soybean seeds, pasture grasses, and associated soils from selected areas in Missouri by Erdman, James A.

    Washington : U.S. Dept. of the Interior, Geological Survey : for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1976
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    Format: Government Document Book


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  3. 3
    Elemental composition of selected native plants and associated soils from major vegetation-type areas in Missouri : an examination of statewide geochemical variations as indicated by plant and soil analysis

    Elemental composition of selected native plants and associated soils from major vegetation-type areas in Missouri : an examination of statewide geochemical variations as indicated... by Erdman, James A.

    Washington : U.S. Govt. Print. Off., 1976
    Other Authors:
    Format: Government Document Book


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  4. 4
    Elemental composition of selected native plants and associated soils from major vegetation-type areas in Missouri

    Elemental composition of selected native plants and associated soils from major vegetation-type areas in Missouri by Erdman, James A.

    Washington : U.S. Dept. of the Interior, Geological Survey : for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1976
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    Format: Government Document Book


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  5. 5
    Element distribution in some trough and platform types of black shale and associated rocks : the content and association of minor elements in different black shale environments

    Element distribution in some trough and platform types of black shale and associated rocks : the content and association of minor elements in different black shale environments by Vine, James David, 1921-

    Washington : United States Government Printing Office, 1969
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    Format: Government Document Book


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  6. 6
    Selenium, fluorine, and arsenic in surficial materials of the conterminous United States,

    Selenium, fluorine, and arsenic in surficial materials of the conterminous United States, by Shacklette, Hansford T.

    Washington [U.S. Dept. of the Interior, Geological Survey] 1974
    Other Authors: “…Keith, John R.…”
    Format: Government Document Book


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