1 Wallace Creek, USGS aerial view, about 1990 USGS Photo.

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Presentation transcript:

1 Wallace Creek, USGS aerial view, about 1990 USGS Photo

2 Wallace Creek fault investigation area on the Carrizo Plain. Numbers show signed posted nature trail features. Next image at #1..

3 Tom at Wallace Creek fault offset.

4 Stream offset along the San Andreas Fault near Wallace Creek, CA

5 Stream offset north of the Carrizo Plain, on Bitterwater Road.

6 Sag pond, San Andreas Fault along CA 25.

7 San Andreas cable crossing & sag pond, CA Route 25.

8 Sheare d tree limbs along CA, Route 25 ; )

9 San Andreas Fault trace, CA Route 25.

10 California Route 25 along the San Andreas Fault.

11 Pressure Ridge, California Route 25.

12 San Andreas fault scarp & sag pond just east of California Route 25.

13 Slump structure near the San Andreas Fault, California Route 25.

14 Parkfield, CA. USGS seismic experiment center.

15 Laser triangulation and GPS site, Parkfield, CA