1. Pleistocene Terrace Deposits in Estero San Antonio Two interpretations of 1 valley by Robert Davies

2. Location Map

3. Work completed by n Hitchcock, C.S., Kelson, K.I., 1998, Assessment of Seismogenic Sources between the Rodgers Creek and San Andreas Faults, Northwestern San Francisco Bay Region, Sonoma County, California n Helley, E. J., Lajoie, K. R., Spangle, W. E, Blair, M. L., 1979, Flatland deposits of the San Francisco Bay Region, California—their geology and engineering properties, and their importance to comprehensive planning

4. Hitchcock and Kelson Qt3 Qt2 Qt3 Qt4

5. Helley et al.

6. Time scale

7. Comparison of dates

8. Fossil age Ranges

12. Problems in the maps n Formations mapped differently n units have different ages based on the same fossils!