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184743 results.

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Page 7347, results 183651 - 183675

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Report on progress of investigations of mineral resources of Alaska in 1904
Alfred H. Brooks
1905, Bulletin 259
During the last two years the United States Geological Survey has met the demand of the mining public for early publication of economic results by issuing an annual bulletin entitled "Contributions to Economic Geology." Though these volumes have made no attempt to treat exhaustively any of the subject discussed, and...
Twenty-Sixth Annual Report of the Director of the United States Geological Survey, 1904-1905
Charles D. Walcott
1905, Annual Report 26
IntroductionRemarks on the work of the yearBranches of workThe United States Geological Survey was created in 1879 for the purpose—as its name implies—of examining and reporting on the geologic structure and mineral resources and products of the national domain. To the adequate description of geologic formations and structure cartography is...
Underground waters of eastern United States
Myron L. Fuller
1905, Water Supply Paper 114
The present paper is a brief summary of the underground water conditions in eastern United States, prepared to meet the demands of drillers and others for information relating to the general water resources of the various States or of specified regions.The detail with which the several regions or subjects are...
Zinc and lead deposits of northwestern Illinois
Harry Foster Bain
1905, Bulletin 246
Zinc and lead minerals are found in two widely separated districts in Illinois. One of these occurs in the extreme southern portion of the State and includes portions of Hardin, Pope, and Saline counties. It forms part of the Kentucky-Illinois fluorspar, lead, and zinc field, and for convenience may be...
The copper deposits of the Clifton-Morenci district, Arizona
Waldemar Lindgren
1905, Professional Paper 43
The oldest rocks of the Clifton quadrangle are pre-Cambrian granite and quartzitic schists, separated by an important unconformity from the covering Paleozoic strata. The latter comprise a total thickness of 1,500 feet. At the base lie 200 feet of probably Cambrian quartzitic sandstone, succeeded by 200 to 400 feet of...
Silverton folio, Colorado
Whitman Cross, Ernest Howe, F. L. Ransome
1905, Folios of the Geologic Atlas 120
The term San Juan region, or simply "the San Juan," used with variable meaning by early explorers, and naturally with indefinite limitation during the period of settlement, is now quite generally applied to a large tract of mountainous country in southwestern Colorado, together with an undefined zone of lower country...