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Sierra Carmen from Chisos Mountain. Brewster County, Texas. 1899.
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Exposures of boulder bed member, a mile west of Housetop Mountain; knobs on hillside in middle distance are boulder of novaculite and of Pennsylvanian limestone; Caballos novaculite, Tesnus formation, Pennsylvanian limestone: diameter of each boulder given in feet (see published photo); sandstone and shales of Haymond formation underlying boulder bed member. Brewster County, Texas. June 1931. Plate 11-C, U.S.Geological Survey Professional paper 187. 1937.
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Album caption: Slumped Grayson formation and Devils River Limestone in a cave-fill zone at the Mariposa Mine. The cave-fill zone developed where a vertical fracture intersected the topmose limestone beds. The white rock in the lower left of the photograph is Devils River Limestone and the darker rock above is Grayson formation. The beds were horizontal before solution and slumping occurred. Terlingua district, Brewster, Texas. circa. 1943. Published as plate 7-B in U. S. Geological Survey. Professional paper 312. 1959.
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Album caption: The Terlingua monocline east of Tres Cuevas Mountain. The Chisos Mountains are in the background. Terlingua district , Brewster County, Texas. circa. 1943. Published as plate 5-B in U. S. Geological Survey. Professional paper 312. 1959.
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Del Norte gap from summit of Del Norte Mountains, to the north, in the distance vertical strata of Glen Rose formation are thrust over flaggy limestones of Eagle Ford formation. Brewster County, Texas. August 1930. Plate 13-B, with graphics, U.S.Geological Survey Professional paper 187. 1937.
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Form a panorama of folding in novaculite on east side of Maravillas Creek at Maravillas Gap. Brewster County, Texas. August 1930. Plate 7-C, with graphics, U.S.Geological Survey Professional paper 187. 1937.
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Grand Canyon Rio Grande. The Carazones from Chisos Mountains. Brewster County, Texas. 1899.
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West Hills of Pea Colorado Gap, showing hogbacks of white Helderberg chert. Brewster County, Texas. 1899.
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Nine Point Mountain from west. Nine Point quadrangle. Brewster County, Texas. 1899.
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Panorama of Santiago Range, Mount Ord Section. Brewster County, Texas. 1899.
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Woods Hollow shale, near old Louis Granger place, 6 miles southeast of Marathon, shows alternation of shales and thin flaggy sandstones and limestones. Brewster County, Texas. June 1929. Plate 3-C, U.S.Geological Survey Professional paper 187. 1937.
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Rounded boulder of brecciated chert from Caballos formation in boulder bed member; a mile and half north of summit of Housetop Mountain. Brewster County, Texas. June 1931. Plate 11-D, U.S.Geological Survey Professional paper 187. 1937.
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Panorama of Santiago Range, Santiago Section. Brewster County, Texas. 1899.
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Album caption: The westernmost fault of the Well Creek graben near Black Mesa. Lightcolored Buda limestone on the right is faulted against dark Devils River limestone on the left. Terlingua district, Brewster County, Texas. circa. 1943. Published as plate 6-B in U. S. Geological Survey. Professional paper 312. 1959.
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Faulted, folded, Helderberg (?) rocks of Pea Colorado flint scarp. Brewster County, Texas. 1899.
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Basal section of kleinite showing optical unhomogenity; nicols crossed, after the section had been heated to 150 degrees and allowed to cool. Brewster County, Texas. 1905. Plate 1-C in U.S. Geological Survey. Bulletin 405. 1909.
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Novaculite ridges in Lightning Hills, looking southwest from elevation point 4,462 (ft), lowlands in distance carved from Ordovician strata on crest of Dagger Flat anticlinorium; Woods Hollow shale; Maravillas chert; Caballos novaculite, Tesnus formation. Brewster County, Texas. November 1930. Plate 7-B, with graphics, U.S.Geological Survey Professional paper 187. 1937.
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Album caption: Cathedral Mountain, a cliff of Vidrio limestone lying on shales of word formation. Looking east toward Sullivan Peak at its eastern end. Aituda quadrangle. Brewster county, Texas. 1925.
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Chert Hills, Santiago Range and Camels Hump. Brewster County, Texas. 1899.
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Agua Frio Mountain, ten miles west. Brewster County, Texas. 1899.


map background search result map search result map Woods Hollow shale, near old Louis Granger place, 6 miles southeast of Marathon. Brewster County, Texas. 1929. Del Norte gap from summit of Del Norte Mountains. Brewster County, Texas. 1930. Form a panorama of folding in novaculite on east side of Maravillas Creek at Maravillas Gap. Brewster County, Texas. 1930. Novaculite ridges in Lightning Hills, looking southwest from elevation point 4,462 (ft). Brewster County, Texas. 1930. Rounded boulder of brecciated chert from Caballos formation in boulder bed member; a mile and half north of summit of Housetop Mountain. Brewster County, Texas. 1931. Exposures of boulder bed member, a mile west of Housetop Mountain. Brewster County, Texas. 1931. The Terlingua monocline east of Tres Cuevas Mountain. Brewster County, Texas. circa. 1943. The westernmost fault of the Well Creek graben near Black Mesa. Brewster County, Texas. circa. 1943. Slumped Grayson formation and Devils River Limestone in a cave-fill zone at the Mariposa Mine. Brewster, Texas. circa. 1943. Cathedral Mountain, a cliff of Vidrio limestone lying on shales of word formation. Brewster county, Texas. 1925 Woods Hollow shale, near old Louis Granger place, 6 miles southeast of Marathon. Brewster County, Texas. 1929. Del Norte gap from summit of Del Norte Mountains. Brewster County, Texas. 1930. Form a panorama of folding in novaculite on east side of Maravillas Creek at Maravillas Gap. Brewster County, Texas. 1930. Novaculite ridges in Lightning Hills, looking southwest from elevation point 4,462 (ft). Brewster County, Texas. 1930. Rounded boulder of brecciated chert from Caballos formation in boulder bed member; a mile and half north of summit of Housetop Mountain. Brewster County, Texas. 1931. Exposures of boulder bed member, a mile west of Housetop Mountain. Brewster County, Texas. 1931. The Terlingua monocline east of Tres Cuevas Mountain. Brewster County, Texas. circa. 1943. The westernmost fault of the Well Creek graben near Black Mesa. Brewster County, Texas. circa. 1943. Slumped Grayson formation and Devils River Limestone in a cave-fill zone at the Mariposa Mine. Brewster, Texas. circa. 1943. Cathedral Mountain, a cliff of Vidrio limestone lying on shales of word formation. Brewster county, Texas. 1925