Geological Survery (Canadá) (2)

Mapoteca / Colección General

British Columbia, Shuswap sheet geological coloured [material cartográfico] : by George M. Dawson, assisted by James McEvoy ; Geological Survey of Canada ; compiled and drawn by James McEvoy.

Mapoteca / Colección General

Province of Nova Scotia [material cartográfico] Geological Survery of Canada.