Research Catalog
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Displaying 1-4 of 4 results for author "Keith, John R."
Elemental composition of selected native plants and associated soils from major vegetation-type areas in Missouri / by James A. Erdman, Hansford T. Shacklette, and John R. Keith.
- Text
- Washington : United States Department of the Interior, Geological Survey, 1976.
- 1976
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/gpo89248Elemental composition of corn grains, soybean seeds, pasture grasses, and associated soils from selected areas in Missouri / by James A. Erdman, Hansford T. Shacklette, and John R. Keith.
- Text
- Washington : United States Department of the Interior, Geological Survey, 1976.
- 1976
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/gpo89260Selenium, fluorine, and arsenic in surficial materials of the conterminous United States / by Hansford T. Shacklette, Josephine G. Boerngen, and John R. Keith.
- Text
- Washington : United States Department of the Interior, Geological Survey, 1974.
- 1974
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/gpo111684Vegetation map of the Evergreen quadrangle, Jefferson County, Colorado / by John C. Reed, Jr. and John R. Keith.
- Cartographic
- 1972
- 1 Item
Item details Format Call Number Item Location Cartographic Map Off-site
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