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January 1, 1982

Maps showing coal resources of the Big A Mountain Quadrangle, Russell and Buchanan counties, Virginia Maps showing coal resources of the Big A Mountain Quadrangle, Russell and Buchanan counties, Virginia

The coal-bearing Norton Formation of Early and Middle Pennsylvanian age is at the surface over most of the northwestern two-thirds of the Big A Mountain quadrangle. The southeastern part of the quadrangle, bounded on the northwest and northeast by Buffalo Mountain and Russell Fork faults, consists of highly faulted rocks ranging in age from Early Cambrian to Middle Pennsylvanian (Miller...

January 1, 1982

Maps showing geochemical analyses of the Ishi, Mill Creek, Polk Springs, and Butt Mountain further planning areas, Tehama and Plumas counties, California Maps showing geochemical analyses of the Ishi, Mill Creek, Polk Springs, and Butt Mountain further planning areas, Tehama and Plumas counties, California

The Ishi, Mill Creek, Polk Springs, and Butt Mountain Further Planning Areas occupy part of the region between Chico and Mount Lassen (fig. 1). All of these areas are characterized by thick sequences of Tertiary and Quaternary pyroclastic and lava flows, predominantly of the Pliocene Tuscan Formation, overlying Paleozoic and (or) Mesozoic metavolcanic and metasedimentary rocks and the...

January 1, 1982

Maps showing geology and outcrops of part of the Virginia City and Alder quadrangles, Madison County, Montana Maps showing geology and outcrops of part of the Virginia City and Alder quadrangles, Madison County, Montana

No abstract available.

January 1, 1982

Maps showing gold and silver potential of the Round Mountain and Manhattan quadrangles, Nye County, Nevada Maps showing gold and silver potential of the Round Mountain and Manhattan quadrangles, Nye County, Nevada

No abstract available.

January 1, 1982

Maps showing gravity and magnetic surveys of the Hoover Wilderness and adjacent study area, Mono and Tuolumne counties, California Maps showing gravity and magnetic surveys of the Hoover Wilderness and adjacent study area, Mono and Tuolumne counties, California

No abstract available.

January 1, 1982

Maps showing locations and descriptions of radiocarbon-dated samples from central and northern California Maps showing locations and descriptions of radiocarbon-dated samples from central and northern California

This compilation includes radiocarbon dates and other pertinent information about samples from northern and central California, principally north of latitude 36°, drawn largely from Radiocarbon, Science, unpublished data of U.S. Geological Survey geologists, and other published and unpublished data brought to the author's attention as of January 1981. It includes a location map, several...