-
Giant Yellowknife Mine core records Underground 1-2 : series 4.
1 resources
Folders: 1946 Core Records 8; 1947 Core Records 6; 1947 Core Records 7; 1947-48 Core Records 5; 1948 Core Records 3; 1948 Core Records 4; 1949 Core Records 1; 1949 Core Records... -
Underground storage of dry arsenic tri-oxide.
1 resources
February 24 1951 letter from A.K. Muir to G.E.B. Sinclair; February 27 1951 letter from O.L. Stanton to G.E.B. Sinclair; May 11 1967 letter from G.H. Caldwell to W.A. Case.