Many sources have been used to gather the information that is displayed on this website. While a complete catalog is not possible at this time, many of the major sources will be cited on this page.

Brodsly, David. L.A. Freeway. University of California Press. Berkeley, CA. 1981

California Highways (Daniel Faigin): https://cahighways.org

California Historical Landmarks; California Department of Parks and Recreation, 1979

Caltrans (California Department of Transportation) Route Logs – Multiple Dates

Caltrans (California Department of Transportation) Photographs – Multiple Dates and Photos – Cited individually

Caltrans (California Department of Transportation) Bridge Logs – Multiple Dates

Dodge, Richard V, Rails of the Silver Gate: the Spreckels railroad empire; Pacific Railway Journal, 1960

Finley, Eric J, The Old US 80 Highway Traveler’s Guide Phoenix-San Diego, Narrow Road Communications, 1997

Gumprecht, Blake, The Los Angeles River: its life, death, and possible rebirth; Johns Hopkins University Press, 1999

Jennings, Charles. 1991. Geologic Map of California. Sacramento, California: Division of Mines and Geology.

Oakeshott, G.B., 1958, Geology and mineral deposits of San Fernando quadrangle, Los Angeles County, California : California: California Division of Mines Bulletin 172, 147 p.

Pierce, Paul, Take An Alternate Route; Sherbourne Press, Los Angeles, CA, 1968

Richard B. Saul and Tom. M. Wootton, 1983; 83-24 LA, Geology of the south half of the Mint Canyon quadrangle, Los Angeles County, California, 139 pages, 6 plates, map scale 1:9,600

Sharp, Robert P. 1993. Geology Underfoot in Southern California. Missoula, Montana: Mountain Press Publishing Company.

USGS Topographical Maps – Multiple Sheets, Scales, and Dates. Some maps used were scanned from my personal collection.

Winkler, Robert Owen – Photographs of the East Los Angeles Interchange (individually marked)