Filters: Tags: Professional Papers (X) > partyWithName: U.S. Geological Survey (X) > partyWithName: Larsen, Esper Signius, Jr. (X)

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Weathering of Sheep Mountain quartz latite tuff breccia of the Carson volcano in the western part of the San Cristobal quadrangle. Hinsdale County, Colorado. 1910. Weathering of Sheep Mountain quartz latite tuff breccia of the Carson volcano in the western part of the San Cristobal quadrangle. This view, at an altitude of 12,000 feet on the forks of West Lost Trail Creek, shows a dike, a sill, and a flow in the breccia. Hinsdale County, Colorado. September 8, 1910. Figure 14, in U.S.Geological Survey Professional paper 258. 1956. Categories: Image; Tags: Colorado Professional Paper 258, Larsen, E.S. Collection, Photographers, Professional Papers, Volcanoes, All tags... photo print, Fewer tags Beehive type weathering of Alboroto rhyolite in the basin of Antelope Creek in the western part of Cochetopa quadrangle: Saguache County, Colorado. 1914. Beehive type weathering of Alboroto rhyolite in the basin of Antelope Creek in the western part of Cochetopa quadrangle: Saguache County, Colorado. August 6, 1914. Figure 22, in U.S.Geological Survey Professional paper 258. 1956. Categories: Image; Tags: Colorado Professional Paper 258, Larsen, E.S. Collection, Photographers, Professional Papers, photo print Irregular base of Sheep Mountain quartz latite, looking down Carnero Creek at a gap a few miles above La Garita, Del Norte quadrangle. aguache County, Colorado. Irregular base of Sheep Mountain quartz latite, looking down Carnero Creek at a gap a few miles above La Garita, Del Norte quadrangle. Saguache County, Colorado. Figure 13, in U.S.Geological Survey Professional paper 258. 1956. Categories: Image; Tags: Colorado Professional Paper 258, Larsen, E.S. Collection, Photographers, Professional Papers, photo print Form a panorama of gently dipping lava flows and tuff beds, as seen looking down San Francisco Creek. Rio Grande County, Colorado. 1916. Form a panorama of gently dipping lava flows and tuff beds, as seen looking down San Francisco Creek. Dog Mountain, center is capped by a remnant of latite and basalt of the Hinsdale formation; the upper steep slopes are Piedra rhyolite, the lower ones are Alboroto rhyolite. Conejos quartz latite underlies the flat foreground. The flows dip regularly toward the San Luis Valley. Rio Grande County, Colorado. July 1, 1916. Figure 17, in U.S.Geological Survey Professional paper 258. 1956. Categories: Image; Tags: Colorado Professional Paper 258, Formations, Larsen, E.S. Collection, Photographers, Professional Papers, All tags... photo print, Fewer tags