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Displaying 361 - 373 of 373

1/1/1978
History of the northwestern United States [abs.): Geological Society of ... 1:500,000. Bond, J. G., S. A. Price, and P. J. Breeser, 1972, Deformational History of the Columbia River basalts of western Idaho as interpreted from ... M. B. Lynch, 1973, Paleomagnetism and its implications on the geologic History of the Columbia River basalts of Idaho [abs.]: Geological Society ...

6/5/1976
GEOLOGIC History ... sediment from outwash deposits during glaciation of the Snake River Natural History, Pocatello, Idaho, p. 181-202. ...

1/1/1975
were controlled by the cooling History of the flows which governed the rate, degree, and mechanism of ...

1/1/1973
, A History of the Western Phosphate Industry, Proceedings of the 1966 Industrial ...

1/1/1968
Three periods of activity make up the mining History of the Silver City region. As the graph in Figure 7 shows, two of these episodes were ... If the placer deposits had been the sole attraction in the Silver City region, its History would have been short-lived. By the end of the 1864 season the placers were ... -12- (Wells, 1963, p. 34). This episode in the History of the district involved the dis- covery of the rich Poorman vein. Hays and Ray owned ...

1/1/1965

History of Pend Oreille Lake Region in North Idaho | Idaho Geologic Survey ... Geologic History of Pend Oreille Lake Region in North Idaho ...
 

Pamphlets (P): P-131
Year: 1963
History of South-Central Idaho | Idaho Geologic Survey ... Mining History of South-Central Idaho Pamphlets (P): P-131 ...
 

1/1/1963

1/1/1945
History and production ... taken up in detail below. PLACER DEPOSITS History AND PRODUCTION Gold was discovered along the Salmon River at a point where ... work done on them. COPPER DEPOSITS History AND PRODUCTION The copper deposits were discovered in the late eighties, but ...

1/1/1928
Early exploration and Indian History 22 Future volcanic activity ... as they appear today; let us Monument. turn back the pages of stone in the geologic History of this region s a double line to the time before any lava had appeared in ... IDAHO BUREAU OF MINES'AND GEOLOGY EARLY EXPLORATION AND INDIAN History In 1879 Mr. J. W. Powell, formerly of Arco, Idaho, but ...

1/1/1926
92 History ........................ ........... [ ~ i t~ n a, r the mine antiI ... Production. ............................................... 1%V History .................................................... 121 phous quartz vein ... plan of the eighth level, De Lamar mine.. ............. .In pocket History and production. ..................................... 1:34 911. Geologic plans ...

1/1/1924
Early History .................... ... ... Geologic History 29 ... History .... ...

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