Folded color street map of Contra Costa, central and east. One side covers Orinda to Concord with insets of Discovery Bay and San Francisco Vicinity, and index. Reverse covers Contra Costa from Brentwood to Concord up to Browns Island with index.
| Geography | california |
|---|---|
| Geography | United States |
| Map Type | Territory Maps |
| Publisher | GM Johnson |
| Usage Type | City Maps |