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From transcribe
Field Post Office Canada Militia AM NO13 15 Vernon Camp B.C.
Mr Fred Tregillus Barkerville Cariboo BC
BC Archives, MS-0426 Box 1 File 10 / TREGILLUS, Frederick James, 1862 - 1962. Barkerville, miner. / Correspondence from George Gilchrist, 1914 - 1917.