Cite

[Topographical map of central California].

MLA

[Topographical Map of Central California]. State Geological Survey of California?, 1873. https://collections.library.yale.edu/catalog/15821460.

APA, 6th edition

[Topographical map of central California]. (1873). [Topographic maps]. State Geological Survey of California?, https://collections.library.yale.edu/catalog/15821460.