Filters: Tags: California Folio 193 (X)

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Calera limestone member of Cahil sandstone, Franciscan Group, Calera Point, San Mateo quadrangle; the limestone contains layers of dark chert. Calera limestone member of Cahil sandstone, Franciscan Group, Calera Point, San Mateo quadrangle; the limestone contains layers of dark chert. San Mateo County, California. 1913. Plate 3 in U.S. Geological Survey. Folio 193. 1914. Categories: Image; Tags: California Folio 193, Professional Papers, photo print San Andrea rift valley, view southeastward toward Crystal Springs Lake, San Mateo quadrangle, the straight valley follows the zone of weakened rocks along the San Andreas fault. San Andrea rift valley, view southeastward toward Crystal Springs Lake, San Mateo quadrangle, the straight valley follows the zone of weakened rocks along the San Andreas fault. Crystal Springs Lake in the distance. San Mateo County, California. 1913. Plate 9 in U.S. Geological Survey. Folio 193. 1914. Categories: Image; Tags: California Folio 193, Professional Papers, Rocks, photo print San Francisco Bay from the Berkeley Hills, Berkeley in the foreground. Mount Tamalpais at the right across the bay and the Golden Gate at left of center. San Francisco Bay from the Berkeley Hills, Berkeley in the foreground. Mount Tamalpais at the right across the bay and the Golden Gate at left of center. Alameda California. 1913. Plate 4 in U.S. Geological Survey. Folio 193. 1914. Categories: Image; Tags: California Folio 193, Professional Papers, photo print Ellipsoidal basalt intrusive into thin-bedded radiolarian chert of San Francisco Group, Hunter Point, the layers of chert are much contorted by the intrusion. Ellipsoidal basalt intrusive into thin-bedded radiolarian chert of San Francisco Group, Hunter Point, the layers of chert are much contorted by the intrusion. San Francisco County, California. 1913. Plate 6 in U.S. Geological Survey. Folio 193. 1914. Categories: Image; Tags: California Folio 193, Professional Papers, photo print Western front of the Berkeley Hills, viewed from the north across Strawberry Creek, characteristic Coast Range topography. Western front of the Berkeley Hills, viewed from the north across Strawberry Creek, characteristic Coast Range topography. Alameda California. 1913. Plate 2 in U.S. Geological Survey. Folio 193. 1914. Categories: Image; Tags: California Folio 193, Professional Papers, photo print Steeply tilted rocks of San Pedro Point. San Mateo County, California. 1913. Steeply tilted rocks of San Pedro Point: San Mateo quadrangle, shales and sandstones of Martinez formation. San Mateo County, California. 1913. Plate 1 in U.S. Geological Survey. Folio 193. 1914. Categories: Image; Tags: California Folio 193, Campbell, M.R., Glacier National Park, Professional Papers, photo print