Source(s); Los Angles Daily Times - Tuesday July 3, 1906 p. 1; Statement of C R Rockwood - In the Matter of the Liability of the California Development Company for the Flooding of Salton Basin by Charles Rockwood - 1907 p. 3-4, 6-7, 34; A Brief History of the California Development Company by Charles Rockwood - from The Calexico Chronicle Second Annual Magazine Edition - May 1909 p. 18, 20; What Imperial County Offers - A General Review from The Calexico Chronicle Second Annual Magazine Edition - May 1909 p. 38; The Story of the First Decade in Imperial Valley, California by Edgar F. Howe and Wilbur Jay Hall - 1910 p. 68, 83, 106, 110-112; The Imperial Valley and the Salton Sink by Harry Thomas Cory with Introductory Monograph by William Phipps Blake - 1915 p. 1264, 1266, 1266.5, 1318, 1319, 1320, 1324; The Salton Sea - An Accounting of Harriman's Fight with the Colorado River by George Kennan - 1917 p. 57; The First Thirty Years 1901 - 1931 - An Accounting of the Principal Events in the History of Imperial Valley, Southern California, U.S.A. by Otis B. Tout - 1931 p. 60, 100, 102
Image(s); Sharps Headgate taken by Harry Thomas Cory (or staff member) working for the Southern Pacific Railroad from Calisphere and UCLA (University of California Los Angles), Library Special Collections, Charles E. Young Research Library
Additional information from: Wikipedia
Additional information from: Wikipedia
Additional information from: Wikipedia
Additional information from: Wikipedia
Additional information from: Wikipedia
Additional information from: Wikipedia
Additional information from: Wikipedia
Los Angles Daily Times - Saturday Jul 3, 1906 p. 1
Additional information from: Los Angeles Daily News and NewsPapers.com
Additional information from: Calisphere - Univerisy of California
Additional information from: Google Books
Additional information from: Google Books
Additional information from: Google Books
Additional information from: Google Books
Additional information from: Google Books