State Historical Landmark NO. 647

BUTTERFIELD OVERLAND MAIL ROUTE

Plaque Inscription: This pass, Puerta, between the desert and the cooler valleys to the north, was used by the Mormon Battalion, Kearny's Army of the West, the Butterfield Overland Mail stages, and emigrants who eventually settled the West. The eroded scar on the left was the route of the Butterfield stages, 1858-1861. The road on the right served as a county road until recent years.

Location: Blair Valley, 0.5 miles East of County Road S2 (P.M. 23.0), 5.8 miles South of State Highway 78, Anza-Borrego Desert State Park, San Diego County. 

Full text and lyrics available on ‘Along The Southern Emigrant Trail’