Elemental composition of selected native plants and associated soils from major vegetation-type areas in Missouri
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Professional Paper↗
Geology topics
J. R. Keith
Publications and source records attributed to J. R. Keith.
Elemental composition of corn grains, soybean seeds, pasture grasses, and associated soils from selected areas in Missouri
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Professional Paper↗
Vegetation map of the Parker quadrangle, Arapahoe and Douglas Counties, Colorado
No abstract available.
Colorado↗
Vegetation map of the Evergreen Quadrangle, Jefferson County, Colorado
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IMAP↗
Element distribution in some trough and platform types of black shale and associated rocks
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Bulletin↗
Vegetation of Amchitka Island, Aleutian Islands, Alaska
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Professional Paper↗