Books by Hugh Swaine Spence

7 books found

Mica

19292 ed.

Talc, steatite, and soapstone

19401 ed.

The Wilberforce radium occurrence

19301 ed.

Le graphite

19211 ed.

L' industrie du feldspath au Canada

19171 ed.

Phosphate in Canada

20182 ed.

Bentonite

19241 ed.