Map - 1954 - Map Sheet No. 7 - Ridge Basin Area, Los Angeles and Ventura Counties

This map was published by the State of California, Division of Mines, Bulletin 170.  This map covers the geology of the Ridge Basin Area, Los Angeles and Ventura Counties.  A geology report on the area by John C. Crowell is printed on the map. - MEASUREMENTS:  21 1/2" x 21" - CONDITION:  Good. - COPIES:  1 - MAP ORIENTATION: Top is North.
Abstract/Description: This map was published by the State of California, Division of Mines, Bulletin 170. This map covers the geology of the Ridge Basin Area, Los Angeles and Ventura Counties. A geology report on the area by John C. Crowell is printed on the map. - MEASUREMENTS: 21 1/2" x 21" - CONDITION: Good. - COPIES: 1 - MAP ORIENTATION: Top is North.