Report on the building and ornamental stones of Canada (1912)
Parks, William A. (William Arthur), 1868-1936, Canada. Mines Branch (1901-1936) · Ottawa : Dept. of Mines, Mines Branch · leaf 455
Flo. 20. Sketch map of the Archaean area of Southern Ontario. 293 chapter iv. The (Juamtes axd CJxeisses of Southekx Ontario. Alt hough gneiss and granite with the reUited rock —.syenite— occur overwide aieas in the Archaan region of Central Ontario, they have not beenexploited to any great extent.…
Building stones · Geology, Economic · Stone industry and trade
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
