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![The Hydrometallurgy of Copper, and Its Separation From the Precious Metals [microform]](https://images.cdn1.buscalibre.com/fit-in/180x180/00/04/000459fa42b00e64ef9f1c8771459dfb.jpg)










![The Mining and Smelting Operations of the International Nickel Company of Canada, Limited [microform]](https://images.cdn1.buscalibre.com/fit-in/180x180/b1/dc/b1dc5b0153470d17621151ce617f4984.jpg)



![Portions of Atlin District, British Columbia [microform]: With Special Reference to Lode Mining](https://images.cdn1.buscalibre.com/fit-in/180x180/f7/2c/f72c199153d9a0f94df0e936c08913ec.jpg)









![Allan Line Royal Mail Steamships [microform]: Information for Passengers](https://images.cdn1.buscalibre.com/fit-in/180x180/7b/9f/7b9fdd54137a76f0813ecdee57ef4522.jpg)


![Twentieth Annual Exhibition at Ottawa [microform]: September 13th to 21st, 1907: Liberal Cash Prizes ..](https://images.cdn1.buscalibre.com/fit-in/180x180/6c/40/6c40c2d9171194d14f308c94409f0648.jpg)




















