Lewis, G. Edward

76 items:

View westward across Quito to El Pichincha volcano. Pichincha, Ecuador. 1946. View westward across Quito to El Pichincha volcano. Pichincha, Ecuador. 1946. Categories: Image; Tags: Lewis, G.E. Collection, Photographers, Volcanoes, photo print
Ophiacodon sp., MCZ 2977. Sketch A: Ground transverse section through the first vertebra in the string. Colorado. 1959. Ophiacodon sp., MCZ 2977. Sketch A: Ground transverse section through the first vertebra in the string. Unshaded areas represent matrix. Early Permian Vertebrates from the Cutler Formation of the Placerville area, Colorado. 1959. Published as Fig. 10-A, U.S.G.S. Professional paper 503-C. 1965. Categories: Image; Tags: Lewis, G.E. Collection, Photographers, photo print
Bed of black ash overlain by bed of white ash (diatomaceous?) from old lake bottom (?) in which aquatic plants were buried in growth position, died, decayed, and molds of their stems were filled up by wet black ash forced up from below (?). Bed of black ash overlain by bed of white ash (diatomaceous?) from old lake bottom (?) in which aquatic plants were buried in growth position, died, decayed, and molds of their stems were filled up by wet black ash forced up from below (?). Note black streaks in white bed overlying black bed. East side of Culapachan canyon, road cut, Ambato-Pillaro road. Tungurahua, Ecuador. 1950. Categories: Image; Tags: Lewis, G.E. Collection, Photographers, photo print
View westward up Rio Pastaza gorge, from cliff-top just north of Banos. North abutment of bridge is on old pre-Cambrian metamorphics (dip 90 degrees, strike N-S) of old valley now being re-excavated by river. View westward up Rio Pastaza gorge, from cliff-top just north of Banos. North abutment of bridge is on old pre-Cambrian metamorphics (dip 90 degrees, strike N-S) of old valley now being re-excavated by river. Valley fill of volcanics and sediments forms a south cannon wall. Tungurahua?, Ecuador. 1950. Categories: Image; Tags: Lewis, G.E. Collection, Photographers, photo print
View westward from Quito-Riobamba highway to El Chimborazo volcano. Chimborazo, Ecuador. 1946 View westward from Quito-Riobamba highway to El Chimborazo volcano. Chimborazo, Ecuador. 1946 Categories: Image; Tags: Lewis, G.E. Collection, Photographers, Volcanoes, photo print

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