Geology, La Loche, Saskatchewan /
Geological Survey of Canada.
Tremblay, Leo Paul,1918-
Ottawa [Ont.] : The Survey,
1961.
Includes text and index map.
"Adjoins Map 580A, 'Porter Lake'"
"Adjoins Map 578A, 'Upper Clearwater River'"
"Adjoins Map 16-1961 'Firebag River Area'"
"Sheet 74 C."
"Preliminary series."
Geology