... Report on the building and ornamental stones of Canada, vol. I-V (1912)
Parks, W. A. (William Arthur), 1868-1936, Canada. Mines Branch · Ottawa : Government printing bureau · leaf 462
Legend ^^B CrystaJl/ne limesf-one 1 Crystalline limestone with other rocks 4- Marble tiuarncs Q Gran,te tiuarries € c^^^^^- H … Flo. 20. Sketch map of the Axchsean area of Southern Ontario, 293 chaptek iv. The Granites and Gneisses of Southern Ontario. Although gneiss and granite with the related rock —syenite— occur overwide areas in the Archaean region of Central Ontario, they have not beenexploited to any great extent.…
Building stones
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
