San Mateo County Community Facilities & Defense Data Map and San Mateo County Highway Map, December 1941. Includes two maps.The first map shows the highways connecting the cities within San Mateo County, with red marks indicating land and bridge routes, blue for water routes, and black for outposts for the US army in World War II. The first map was imprinted by San Mateo County Civilian Defense Council. The second map displays San Mateo County community facilities and defense data important during war efforts. The second map was imprinted by the San Mateo County Planning Commission.
Dimensions of Map 1: 61 1/4 x 36.5
Dimensions of Map 2: 30.5 x 18