1. Federal Highway Administration. (2001). Hydraulic Engineering Circular No. 18. Evaluating Scour at Bridges Fourth Edition Publication No. FHWA NHI 01-001.
2. Southern California Earthquake Center. (1999). Recommended Procedures for Implementation of DMG Special Publication 117 Guidelines for Analyzing and Mitigating Liquefaction Hazards in California: organized through the Southern California Earthquake Center University of Southern California.
3. The Press-Enterprise. (2010). Mockingbird Repairs: $300 000. http://www.pe.com/localnews/stories/PE_News_Local_D_mockingbird31.11196 36.html
4. Federal Highway Administration. (2001). Hydraulic Engineering Circular No. 18. Evaluating Scour at Bridges Fourth Edition Publication No. FHWA NHI 01-001.
5. Southern California Earthquake Center. (1999). Recommended Procedures for Implementation of DMG Special Publication 117 Guidelines for Analyzing and Mitigating Liquefaction Hazards in California: organized through the Southern California Earthquake Center University of Southern California.