U.S. Geological Survey Photographic Library
san
13 photos found |
| 1. |  |
Santa Cruz Mudstone capped by marine terrace sand at Natural Bridges Beach State Park near Santa Cruz. View west toward lowest emergent marine terrace. Southwest of San Andreas fault in central Santa Cruz Mountains. Santa Cruz County, California. ca. 1963. Figure 10 in U.S. Geological Survey. Professional paper 1168. 1981. | ID. Clark, J.C. 11 cjc00011 |
| 2. |  |
Point Reyes National Seashore, California. Offset of the San Andreas fault at the Skinner Ranch. The 1906 scarp (marked by posts) has been eroded away. The Skinner Ranch is now the headquarters of the Point Reyes National Seashore. 1981. Page 53, Earthquake Information Bulletin, v.13, no.2. | ID. Earthquake Information Bulletin 419 eib00419 |
| 3. |  |
Robert E. Wallace about 1972; in 1982: Received his Ph.D. in 1946 from California Institute of Technology, his thesis concerned a portion of the San Andreas Fault. He has served as Western Regional Geologist, as Chief Scientist, Office of Earthquake Studies, among other assignments. | ID. Portraits Collection 2984 port2984 |
| 4. |  |
Robert E. Wallace about 1972; in 1982: Received his Ph.D. in 1946 from California Institute of Technology, his thesis concerned a portion of the San Andreas Fault. He has served as Western Regional Geologist, as Chief Scientist, Office of Earthquake Studies, among other assignments. | ID. Portraits Collection 3304 port3304 |
| 5. |  |
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. | ID. Stose, G.W. 762 sgw00762 |
| 6. |  |
Panorama. Head of large valley 3 miles southeast of Fairmont, in sec. 17, T. 7 N., R. 14 W., with Portal Ridge in background. San Andreas fault line probably lies along base of ridge. The valley is probably earlier than the fault. Los Angeles County, California. April 30, 1921. | ID. Thompson, D.G. 604 tdg00604 |
| 7. |  |
Palo Alto to Saratoga. West side, Santa Clara Valley. San Andreas fault along the tree line. Santa Clara County, California. 1965. (Aerial view) | ID. Wallace, R.E. 192 wreb0192 |
| 8. |  |
Stream offset in Carrizo Plains. Stream has been offset one-fourth mile by the San Andreas fault. San Luis Obispo County, California. 1965. (Aerial view) | ID. Wallace, R.E. 193 wreb0193 |
| 9. |  |
View south along scarp, Carrizo Plains. The Carrizo Plains lie to the right of scarp; Elkhorn Plains to left. San Andreas fault. San Luis Obispo County, California. 1965. (Aerial view) | ID. Wallace, R.E. 217 wreb0217 |
| 10. |  |
San Andreas Fault, Carrizo Plain, California. Northeast across the San Andreas Fault showing several offset stream channels. The main channel in the middle is offset about 130 meters. The channel on the left or near side of the fault is offset 380 meters from the upstream segment and is beheaded. Figure 14, U.S. Geological Survey Open-File Report 83-98. | ID. Wallace, R.E. 14ct wre00014 |
| 11. |  |
San Andreas Fault, Carrizo Plain, California. Lineament and scarplet along the San Andreas Fault showing the uplifted block on the right giving way to the uplifted block on the left in the distance. View is northwest. Figure 22, U.S. Geological Survey Open-File Report 83-98. | ID. Wallace, R.E. 22ct wre00022 |
| 12. |  |
San Andreas Fault, Carrizo Plain. Valley deeply eroded along the San Andreas Fault. The downstream segment of the channel on the west side (far side) of the fault has been displaced a kilometer or more from the upstream segment (left out of view). View is southwest. Figure 32, U.S. Geological Survey Open-File Report 83-98. | ID. Wallace, R.E. 32ct wre00032 |
| 13. |  |
San Andreas Fault, Carrizo Plain, California. Southeast along the San Andreas Fault. In the foreground, the block on the west side of the fault (right) has been raised relative to the block on the east side damming drainage from the hills to the east. Figure 40, U.S. Geological Survey Open-File Report 83-98. | ID. Wallace, R.E. 40ct wre00040 |
U.S. Department of the Interior | U.S. Geological Survey
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