Abrasives, Products of Canada: Technology and Application Canada. Mines Branch (1901-1936) Published: 1927 Total Pages: 156 Get eBook
Mineral Resources of the United States United States. Bureau of Mines Published: 1932 Total Pages: 880 Get eBook
Canadian Government Publications Canada. Information Canada Published: 1928 Total Pages: 1162 Get eBook
Canadian Government Publications Canada. Department of Public Printing and Stationery Published: 1962 Total Pages: 308 Get eBook
Columbia River and Tributaries, Northwestern United States United States Department of the Army Published: 1952 Total Pages: 1376 Get eBook