Jr. Geological Foundation is a nonprofit corporation established to fund and publish Dibblee's geologic maps of coastal sounthern California. The Foundation has 68 full-color maps available, covering well over 80 quadrangles in Santa Barbara, Ventura, and Los Angeles counties. Geologic units are shown in full color, and geologic features depicted include formation and member contacts, bedding attitudes, faults, anticlines, synclines, landslide direction of movement, drill hole locations, and others. Map legend, references and other explanatory text are printed on the map sheets.
Some maps have structural cross sections.
The maps are folded. DF1 Wheeler Springs DF2 Old Man Mtn. DF3 Hildreth Peak DF4 Carpinteria DF5 Little Pine Mtn. DF7 Goleta DF8 San Marcos Pass DF9 Dos Pueblos Cyn. DF10 Lake Cachuma DF11 White Ledge Pk.