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Excerpt from Elements of MiningCoal mining has been included with metal mining, since while there are differences in the mining conditions the underlying principles are the same and one form of mining affords a contrast to the other. The rela tion of geology to mining has been brought out and accentuated wherever appropriate.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgotten...

Excerpt from Elements of MiningCoal mining has been included with metal mining, since while there are differences in the mining conditions the underlying principles are the same and one form of mining affords a contrast to the other. The rela tion of geology to mining has been brought out and accentuated wherever appropriate.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgotten...

Excerpt from Potash Salts and Other Salines in the Great Basin RegionMany of the smaller basins have also been explored by shallow Through the Bureau of Soils a. Study of the general conditions in these basins.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technolog...

Excerpt from Potash Salts and Other Salines in the Great Basin RegionMany of the smaller basins have also been explored by shallow Through the Bureau of Soils a. Study of the general conditions in these basins.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technolog...

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Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve ...

Excerpt from Slime-FiltrationThe effort to secure a continuously-acting filter has resulted in two important types being developed, of which the Ridgway and the Oliver are the best known. Both of these filters utilize a comparatively thin slime-cake. Both Operate very success fully, and compared with the thick-cake machines have de cided advantages, brie¿y stated as simplicity of design, prob ably lower capitalization-charges for equal capacit...