There are 2 "John Harvey"s in California in 1900
1900 California, El Dorado, Georgetown
Oldfield, Ron, Head
Harvey, John, pardner, white, male, b. Aug 1865, 34, single, b. Eng
Eng, Eng, immig 1884, 16 yrs in US, NA, miner
(gold), out of work 7 months, can read, write, spk
Eng
Camp, Albert, pardner
1900 California, San Francisco, Naval Training Station
Harvey, John A, private, residence: Chicago, Illinois, male, white,
b. Feb 1877, 23, single, b. Eng, Eng, Eng, immig 1877
23 yrs in US, NA, can read, write, spk Eng
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1910 Nevada, Nye, Manhattan
Harvey, John, head, male, white, 39, single, b. Eng, Ire, Ire, immig
1904, NA, spks Eng, miner, gold miner, worker, can
read, write, owns home free
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1920 California Nevada Grass Valley
Harvey, John, boarder, male, white, 50, marr, immig 1898, alien,
can read, write, b. Eng, Eng, Eng, spks Eng, miner,
worker