Geology and ore deposits of Rossland, British Columbia /
Drysdale, Charles Wales,1885-1917.
Ottawa : Government printing bureau,
1915.
6 maps folded in back pocket: 1001 &1002 Topography & geology at scale 1:4,800 -- 1003 & 1004 Topography & geology at scale 1:14,400 -- Map 146A Stereograms of a block of ore -- 1518 Geological plan of the principal mines, with sections at scale 1:2400.
Map 1001 is catalogued and placed separately.
Bibliography: p. 18-22.
Geology