Chart c. 1960's - Stratigraphic Distribution of Megafossils from the Prisima Formation - San Mateo County

This chart was published by the State of California, Division of Mines, Bulletin 181, Plate 24.  This is chart shows the Stratigraphic Distribution of Megafossils from the Purisima Formation - San Mateo County.  This chart was prepared by Cummings, Touring, and Brabb. -  MEASUREMENTS:  9 1/2" X 22 1/4" - CONDITION:  Good.
Abstract/Description: This chart was published by the State of California, Division of Mines, Bulletin 181, Plate 24. This is chart shows the Stratigraphic Distribution of Megafossils from the Purisima Formation - San Mateo County. This chart was prepared by Cummings, Touring, and Brabb. - MEASUREMENTS: 9 1/2" X 22 1/4" - CONDITION: Good.