Silica in Canada
Subtitle: its occurrence, exploitation and uses
By: by L. Heber Cole.
Contributors: Cole, Lionel Heber, 1883-
Publisher: Government printing bureau
Published: 1923
Place of publication: Ottawa
Language: eng
Subjects: Silica
Notes: At head of title, pt. I-II: Canada.  Department of mines.  Hon. Charles Stewart, minister; Charles Camsell, deputy minister.  Mines branch, John McLeish, director.

Seven maps folded in pocket of pt. I.

In lower right corner of t.-p.: no. 555, 686.
Table of contents: title: pt. I.  Eastern Canada.-  pt. II.  Western Canada.