The Dunlap Ranch, c1890
 Early hand-drawn map of the portion of the San Bernardino Rancho that became the Waters Ranch (1857) and later Dunlap Acres (1869)

Proposed Railroad (1917)
A railroad through Yucaipa was once proposed, and approved, but never built.  This map shows the entire route from Mentone to uptown Yucaipa.


"Yucaipe Drainage Basin" (1903)
Drawn by C. C. Brown in 1903, this map shows various water features and facilities for the entire valley.
Dike and Logie Real Estate Map (c1925)
This map provides the names of the owners of many parcels in early Yucaipa.

Early Subdivision Maps of Yucaipa (1916-1918)
Only two maps are offered, both in the Dunlap area, but several more are being prepared.