1990 Upland Earthquake Information - Information on the 1990 Upland earthquake which blocked Mt. Baldy Rd, from the Southern California Earthquake Center Data Center. www.scecdc.scec.org/upland.html
C46 Commando Crash Site - History and crash site survey regarding a C46 Commando which crashed on Mount Baldy on October 5, 1945. www.av.qnet.com/~carcomm/wreck22.htm
Mt. Baldy History Bibliography - A bibliography of books and articles on the history of Mt. Baldy, California, and the surrounding San Gabriel Mountains. www.culturalcenter.org/history/biblio/biblmtb.htm
USMC Hellcats Crash Site - History and crash site survey regarding two USMC Hellcats which crashed on Mount Baldy on March 2, 1949. www.av.qnet.com/~carcomm/wreck21.htm
