Placer mines of Cunningham Creek / surveyed and drawn by Amos Bowman, mining engineer, assisted by James McEvoy.Geological Survey of Canada[1886?]"Surveys carried out ... in 1885-6."[Map no.] 368 -- Verso.Includes geological notes.Includes inset of cross section, " From Camp. Aug. 20, 1885, at summit of Harvey Creek Trail to junction of West Branch, eight miles."cartographic