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Preliminary report on the Cape Nome gold region, Alaska
Frank C. Schrader, Alfred H. Brooks
1900, Report
The following report is based on a few weeks' examination of the recently discovered Nome gold-mining region, made by us in October, 1899. We collected such topographic and geologic data of this important region as the climatic conditions would permit and our limited time would allow, the trip to Nome...
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...