Article “The California dredger as an instrument of conservation” with rejection letter from Olaf P. Jenkins, Chief, State
of California Department of Natural Resources Division of Mines, California journal of mines and geology.
Wendell P. (Philucius) Hammon, 1918-2006, the grandson of Wendell P. (Philucius) Hammon, 1854-1939, the founder of Yuba Construction
Company and Yuba Consolidated Gold Fields. His grandfather developed the first successful gold dredger in California in 1898,
with his partner, Thomas Couch. The senior Hammon came to be known as the “Dredger King”.