Roofing slate as a source of wealth to Canada
Subtitle: a visit to the Walton Slate Quarry
By: by Robert Bell.
Publisher: s.n.
Published: 1986
Place of publication: [S.l
Language: eng
Format: Microform
Number of pages: 10
Subjects: Slate industry -- Quebec (Province).
Notes: Caption title.

"(Read before the Natural History Society)."

Dated: Melbourne, Canada East, October 8, 1863.

Filmed from a copy of the original publication held by the Douglas Library, Queen's University. Ottawa : Canadian Institute for Historical Microreproductions, 1986.

12 p. ; 22 cm.