“High Desert Lore and Hydrogeology of the Jacumba Valley, Jacumba Hot Springs, San Diego County, California,” by Chuck Houser (SCS) and Monte Murbach (Murbach Geotech), Coast to Cactus, Geology and Tectonics, San Diego to Salton Trough, California (SDAG 2014 Field Trip Guidebook)

Houser-High_Desert_Lore_and_Hydrogeology_Jacumba