Reference plan provided for perimeter survey of BB claims in the Indian Mountain Lake area.
A survey plan of lot divisions in block 4, Yellowknife, presumably surveyed by John Anderson-Thomson.
A site certificate by John Anderson-Thomson for Lot 15, Block 85 in the City of Yellowknife.
A colour map published by the Province of Ontario's Department of Mines. The map is heavily annotated with geological markings and is of the area near Timmins where John Anderson-Thomson worked for the DeSantis and Delnite mines.
A blueprint copy. Surveyed for Admiral Yellowknife Mines Limited by R. McCutcheon July 23, 1945. Extensive annotations likely related to a resurvey as the BYG Claims.
A map created from several mineral claim maps which shows routing and survey information between Harding Lake and Hidden Lake.
A hand-sketched map on linen showing routing and survey information between Harding Lake and Hidden Lake.
A generic map sheet produced by the federal Department of Mines & Resources showing mineral claims. Some annotaions have been made to show areas examined, locations of a campsite, trail, and cache.