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Yosemite National Park, California. Bold exposure of unjointed Half Dome Granodiorite (in sun) capped by mostly well-jointed tonalite (in shade) making up Glacier Point. The contact between the two rock types angles upward to the left. Figure 38, U.S. Geological Survey Bulletin 1595.
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Album caption: El Capitan, and the valley bottom. The 3,000-foot cliff is the highest in Yosemite Valley and one of the highest in the world. The salient is composed throughout of unfractured, massive granite. The gray blotches on the wall at the right are due to masses of diorite that invaded the granite. A pine tree about 100-feet high stands in a niche with an overhanging roof a short distance above the bushy slope at the base. Yosemite Valley. [Yosemite National Park] California. n.d. Published as plate 17 in U.S. Geological Survey. Professional paper 160. 1930. Index card unavailable.
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Album caption: Overhanging rock at Glacier Point, Yosemite National Park, California, March 7, 1915, photographer unknown (G.E.M.) Handwritten notes on album caption: Yosemite quad., Mariposa County. No index card.
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Album caption: Tuolumne River, California, view of the Hetch Hetchy Valley, photograph taken by J.G. Staack, topographer, spring of 1912 while making profile survey. Handwritten notes on album caption: Yosemite quad Calif. Yosemite National Park, Tuolumne County. No index card Note on photograph: Negative destroyed by authority of administrative geologist, July 20, 1916.
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Album caption: Yosemite Valley, California, with topographic map of the identical area, Half Dome in center. Handwritten notes on album caption: Yosemite National Park, Yosemite quad, Mariposa County; also in San Francisco Exposition no. 15. No index card
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Yosemite National Park, California. Cathedral Peak from near Cathedral Pass, showing joints vertical and summit pinnacles. 1913.
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Yosemite National Park, California. Gorge of the Merced River, looking downstream from Coulterville Road, near foot. 1913.
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Album caption: El Capitan from the northwest. Pond in the foreground. [Yosemite National Park] California. n.d. Index card unavailable.
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Album caption: Washington Column and Royal Arches, and their reflections in the Merced River. [Yosemite National Park] California. n.d. Index card unavailable.
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Album caption: Horestail Falls in Yosemite Valley. California. n.d. Handwritten notes on album caption: Mariposa County. Also San Francisco Exposition no. 66 Index card: (San Francisco Exposition no. 66): Horsetail Falls, Yosemite Valley. Yosemite National Park, Mariposa County, California. n.d.
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Yosemite National Park, California. Three Brothers from near the top of talus on south side of valley. 1915.
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Yosemite National Park, California. Dike of Cathedral Granite in porphyritic Half Dome Granite near Sunrise Mountain. 1913.
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Yosemite National Park, California. Lower end of Yosemite Valley from Oak Flat Road. 1915. Published in U.S. Geological Survey Professional paper 160, Plate 16-A. 1930.
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Yosemite National Park, California. Cascade Cliffs and Little Yosemite Valley. In few other places in the Yosemite region is the granite more continuously massive than in the Cascade Cliffs. Only one horizontal master joint divides the rock (in the lower left.) The scales on the cliffs are merely surficial features due to exfoliation. The dark streaks indicate the paths followed by the ribbon cascades which descend from the upland in the spring, when the snow is melting, and from which the cliffs take their name. In the background is Sugar Loaf (Bunnell Point). Circa 1914. Plate 45-A, U.S. Geological Survey Professional paper 160. Note: The Francois E. Matthes' papers and field notebooks are housed in the Brancroft...
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Yosemite National Park, California. Stack of shell fragments in deeply weathered granite on Illilouette Ridge. 1913.
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Yosemite National Park, California. Mariposa beds, below Pleasant Valley. 1913. Published in U.S. Geological Survey Professional Paper 160, Plate 26-B. 1930.
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Yosemite National Park, California. Hornblende gabbro from Oak Flat Road on the rockslides. Facies with irregular hornblende. January 1923. Spec. 14-C-7.


map background search result map search result map Cathedral Peak near Cathedral Pass, Yosemite National Park, California. 1913. Mount Hoffman from Illilouette Ridge, Yosemite National Park, California.  1913. Mountain southwest of Rafferty Peak, Yosemite National Park, California. 1913. Cathedral Spires, Yosemite National Park, California. 1913. Gorge of the Merced River, Yosemite National Park, California. 1913. Three Brothers, Yosemite National Park, California. 1915. El Capitan and Yosemite Valley. Yosemite National Park, California. n.d. El Capitan from the northwest. Yosemite National Park, California. n.d. Washington Column and Royal Arches reflected in Merced River. Yosemite National Park, California. n.d. A composite image: the top half is Half Dome; the bottom is the corresponding section of a topographic map. Yosemite National Park, California. Yosemite National Park, California. Horsetail Falls in Yosemite Valley. View of Hetch Hetchy Valley, California. 1912. Unidentified human on overhanging rock at Glacier Point, Yosemite National Park, Mariposa County, California. 1915. Cathedral Peak near Cathedral Pass, Yosemite National Park, California. 1913. Mount Hoffman from Illilouette Ridge, Yosemite National Park, California.  1913. Mountain southwest of Rafferty Peak, Yosemite National Park, California. 1913. Cathedral Spires, Yosemite National Park, California. 1913. Gorge of the Merced River, Yosemite National Park, California. 1913. Three Brothers, Yosemite National Park, California. 1915. El Capitan and Yosemite Valley. Yosemite National Park, California. n.d. El Capitan from the northwest. Yosemite National Park, California. n.d. Washington Column and Royal Arches reflected in Merced River. Yosemite National Park, California. n.d. Unidentified human on overhanging rock at Glacier Point, Yosemite National Park, Mariposa County, California. 1915. A composite image: the top half is Half Dome; the bottom is the corresponding section of a topographic map. Yosemite National Park, California. Yosemite National Park, California. Horsetail Falls in Yosemite Valley. View of Hetch Hetchy Valley, California. 1912.