87
11/17/2002
San Francisco, CA
N 37 46.845 W 122 30.843
Dave Decker
Contains lots of silt
Beach
Grey
Extremely Coarse Grained
Moderately Sorted
Well Rounded to Sub-rounded
Lithic
Frosted
Photos
![](https://www.maryhemmerlyhecker.org/wp-content/uploads/086-087-Sutro-Baths-San-Francisco-CA.jpg)
![](https://www.maryhemmerlyhecker.org/wp-content/uploads/087-Cliff-House-San-Francisco-CA.jpg)
Mary Hemmerly Hecker Memorial Sand Collection
The Life and Times of Mary Hemmerly Hecker