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Page 7345, results 183601 - 183625

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Tertiary granite in the northern Cascades
George Otis Smith, Walter Curran Mendenhall
1900, GSA Bulletin (11) 223-230
The area to be discussed in this paper is in the immediate vicinity of Snoqualmie pass in the northern Cascades. Snoqualmie pass is in central Washington, about 10 miles north of where the Northern Pacific railroad crosses the range. It is a low pass, less than 3,100 feet above sealevel,...
Volcanics of Neponset valley, Massachusetts
Florence Bascom
1900, Bulletin of the Geological Society of America (11) 115-126
While the igneous rocks of the Boston basin have been the subject of considerable investigation and discussion, the volcanics of the limited portion of the basin drained by the Neponset river have received little attention. No petrographic study has been made of these volcanics.Recently Professor W. O. Crosby afforded the...
Geology and mining industry of the Tintic district, Utah: Section in Nineteenth Annual Report of the United States Geological Survey to the Secretary of the Interior 1897 - 1898: Part III - Economic Geology
George Warren Tower Jr., George Otis Smith
1899, Report, Nineteenth Annual Report of the United States Geological Survey to the Secretary of the Interior 1897 - 1898: Part III - Economic Geology (Annual Report 19, Part III)
The field work upon which this report is based was begun in July, 1897, and continued without interruption until December of the same year. The area studied is approximately 15 miles square and contains 234 square miles. The topographic maps, which are two in number, were prepared under the direction...
Water resources of the Lower Peninsula of Michigan
Alfred C. Lane
1899, Water Supply Paper 30
This material is a portion of the outcome of Dr. Lane's studies in connection with the geological survey of the State of Michigan, supplemented by statements received in reply to circulars sent throughout the Lower Peninsula of Michigan to well drillers and others likely to be well informed and interested...