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Contributions to economic geology, 1903
No abstract available.
Authors
Samuel Franklin Emmons, C. W. Hayes
Cottonwood Falls folio, Kansas
The Cottonwood Falls quadrangle lies between parallels 38° and 38° 30' and meridians 96° 30' and 97°, and therefore constitutes a quarter of a square degree of the earth's surface. It is 34.35 miles long and 26.75 miles wide, and contains about 938 square miles. It is located east and a little south of the central part of Kansas, on Cottonwood River, and includes large portions of Chase and Mario
Authors
Charles Smith Prosser, Joshua William Beede
Economic geology of the Iola quadrangle, Kansas
No abstract available.
Authors
George Irving Adams, Erasmus Haworth, W.R. Crane
Economic resources of the northern Black Hills
The mining district of the Black Hills comprised within the Spearfish and Sturgis quadrangles was surveyed geologically in the summers of 1898 and 1899 under the direction of Mr. S. F. Emmons. The following pages present a brief summary of the geologic features, more especially with reference to ore-bearing formations. These are confined to the Algonkian and Paleozoic strata and their associated e
Authors
J.D. Irving, S. F. Emmons, T.A. Jaggar
Edgemont folio, South Dakota-Nebraska
No abstract available.
Authors
Nelson Horatio Darton, William Sidney Tangier Smith
Experiments on schistosity and slaty cleavage
Schistosity as a structure is important, and it is a part of the business of geologists to explain its origin. Slaty cleavage has further and greater importance as a possible tectonic feature. Scarcely a great mountain range exists, or has existed, along the course of which belts of slaty rock are not found, the dip of the cleavage usually approaching verticality. Are these slate belts equivalent
Authors
George Ferdinand Becker
Forest conditions in the Absaroka division of the Yellowstone Forest Reserve, Montana and the Livingston and Big Timber quadrangles
The tract of land here designated the Absaroka division of the Yellowstone Forest Reserve was originally the Absaroka Forest Reserve. By proclamation of January 29, 1903, this reserve was merged with the Teton and the Yellowstone forest reserves, the whole taking the name of the Yellowstone Forest Reserve. The western, northern, and eastern boundaries, as then established and as applicable to the
Authors
J. B. Leiberg
Forest conditions in the Black Mesa Forest Reserve, Arizona
The Black Mesa Forest Reserve, in Arizona, was created by proclamation of President McKinley dated August 17, 1898. The following are its boundaries; "Beginning at a point on the boundary line between Arizona and New Mexico where it is intersected by the north line of township seven (7) north, range thirty-one (31) east, Gila and Salt River meridian, Arizona; thence westerly along the township lin
Authors
F. G. Plummer, T. F. Rixon, Arthur Dodwell
Forest conditions in the Lincoln Forest Reserve, New Mexico
No abstract available.
Authors
F. G. Plummer, M.G. Gowsell