Video overview of the dramatic demographic and migratory shifts occurring in Los Angeles Basin between 1769-1848. Video file size is 19 MB.

The Early California Cultural Atlas (ECCA) visualizes the transformations in California before 1850 by mapping the migration of Indians from their native villages to Franciscan...

Boundaries of the Spanish and Mexican Land grants as entered into the State of California land survey. GIS Shape files of the boundaries of the California Ranchos provided by...