This beautiful Santa Cruz map from 1935 was a found at the recent Friends of the Santa Cruz Public Library Book Sale. The map was tucked away inside a non-descript looking Soil Survey. This certainly made my day at the book sale!
Santa Cruz Soil Survey Cover
Series 1935, No. 25
Issued January 1944
The Santa Cruz Area
R. EARL STORIE, in Charge, and RALPH C. COLE
BRUCE C. OWEN and L.F. KOEHLER
University of California
A.C. ANDERSON, W.J. LEIGHTY, and JOHN L RETZER
United States Department of Agriculture
UNITED STATES DEPARTMENT OF AGRICULTURE
BUREAU OF PLANT INDUSTRY, SOILS, AND
In cooperation with the
University of California Agricultural Experimentation Station
For sale by the SUPERINTENDENT OF DOCUMENTS, WASHINGTON, D.C. Price 40 Cents
Hello, This is great stuff but I cannot see the rest of the key. What does “Mp” in brown color stand for?