Geochemical data from the Payette National Forest and contiguous areas, Idaho
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Open-File Report↗
Geology topics
R. T. Hopkins
Publications and source records attributed to R. T. Hopkins.
Analytical results and sample locality map of stream-sediment and panned-concentrate samples from the Garberville 1:100,000 quadrangle, (southwest quarter of the Redding, California 1:250,000 quadrangle) Humboldt, Trinity, Shasta, Tehama, and Mendocino Counties, California
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California↗
Chemical analyses including gold for 373 rock and stream-sediment samples from the Richfield 1 degree x 2 degrees Quadrangle, Utah
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Analytical results and sample locality maps of stream-sediment, heavy-mineral-concentrate, and rock samples from the Smoky Mountains Roadless Study Area, Blaine and Camas Counties, Idaho
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Analytical results and sample locality maps of stream-sediment, heavy-mineral-concentrate, and rock samples from the Smoky Mountains Roadless Study Area, Blaine and Camas Counties, Idaho
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Analytical results and sample locality maps of stream-sediment and heavy-mineral-concentrate samples from the Snowbank Roadless Study Area, Valley and Gem Counties, Idaho
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Analytical results and sample locality maps of stream-sediment, heavy-mineral-concentrate, and rock samples from the Black Warrior, Hanson Lakes, Lime Creek, Red Mountain, and Trinities Roadless Study Areas, Boise, Camas, Custer, Elmore, and Valley counties, Idaho
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Coordinates for and analytical values of 221 rock, 494 stream sediment and soil, and 261 panned-concentrate samples included in the Butte 1 degree by 2 degrees Quadrangle between the latitudes of 46 degrees 30'00" and 47 degrees 00'00" N., and the longitudes of 113 degrees 30'00" and 114 degrees 00'00" W.
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Coordinates for and analytical values of 109 rock, 377 stream sediment and soil, and 237 panned-concentrate samples included in the Butte 1 degree by 2 degrees Quadrangle between the latitudes of 46 degrees 30'00" and 47 degrees 00'00" N., and the longitu
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Coordinates for and analytical values of 21 rock, 158 stream-sediment and soil, and 91 panned-concentrate samples included in the Butte 1 degree by 2 degrees Quadrangle between the latitudes of 46 degrees 30'00" and 47 degrees 00'00" N., and the longitudes of 112 degrees 30'00" and 113 degrees 00'00" W.
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Coordinates for and analytical values of 322 rock, 327 stream-sediment and soil, and 369 panned-concentrate samples included in the Butte 1 degree by 2 degrees Quadrangle between the latitudes of 46 degrees 00'00" and 46 degrees 30'00" N., and the longitudes of 113 degrees 00'00" and 113 degrees 30'00" W.
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Coordinates for and analytical values of 78 rock, 275 stream-sediment and soil, and 220 panned-concentrate samples included in the Butte 1 degree by 2 degrees Quadrangle between the latitudes of 46 degrees 00'00" and 46 degrees 30'00" N., and the longitudes of 112 degrees 30'00", and 113 degrees 00'00" W.
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Coordinates for and analytical values of 30 rock, and 7 panned-concentrate samples included in the Butte 1 degree by 2 degrees Quadrangle between the latitudes of 46 degrees 00'00"DP and 46 degrees 30'00" N., and the longitudes of 112 degrees 00'00" and 1
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Distribution and abundance of lead in minus-80-mesh stream-sediment and nonmagnetic heavy-mineral-concentrate samples, Chignik and Sutwik Island quadrangles, Alaska
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Miscellaneous Field Studies Map↗