Map of placer mines & quartz veins in the vicinity of Lightning Creek / by Amos Bowman, mining engineer ; drawn by James McEvoy ; drawn for photolithography by L.N. Richard and Is. Marion.Geological Survey of Canada[1886]"Surveys carried out with the co-operation of the Provincial Government of British Columbia.""To illustrate report of A. Bowman."[Map no.] 365 -- Verso.Includes profile of Lightning Creek area.Relief shown by contours and spot heights.Shows roads, trcartographic