Skip to main content

You can still access the UC Berkeley Library’s services and resources during the closure. Here’s how.

Maps and More: 3/9: Mapping Indigenous California History

resources from the regular collections show-and-tell at the Earth Sciences and Map Library

Inigo (Ynigo)’s claim for Rancho Posolmi


selected late 19th & 20th-century maps that show Rancho Posolmi / Ynigo rancho

United States Geological Survey topographic maps:

Mountain View 1:24,000 (1997)

Palo Alto  1:62,500 (1899 & 1961)

Santa Cruz 1:125,000 (1902)

El Escorpion Rancho claim at Mission San Fernando


selected late 19th & 20th-century maps that show Escorpion

United States Geological Survey topographic map: Calabasas 1:62,500 (1903)

Maps illustrating extent and loss of native lands in California