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Books Books 1 - 3 of 3 on The depth to which mining can be successfully carried is, under any circumstances,....
" The depth to which mining can be successfully carried is, under any circumstances, so iiifinitesiinally small when compared with the distances through which the forces supposed to be the cause of the vein-fissures must have opeiated, that there need be... "
The Mines and Mineral Lands of Nova Scotia - Page 48
by Edwin Gilpin - 1880 - 129 pages
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Report of Progress - Geological Survey of Canada

Geological Survey of Canada - 1872
...apprehension of the limit of the latter, in depth, being reached at distances less than those tiirough which we know them, (from surface evidence) to extend...is practically no limit to the depth to which the leads may be successfully followed. At the same time the facts observed would suggest the probability...
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Report of Progress - Geological Survey of Canada

Geological Survey of Canada - Paleontology - 1872
...through which we know them, (from sin-face evidence) to extend horizontally in directions pai-allel and transverse to the anticlinal axes ; and as these...is practically no limit to the depth to which the leads may be successfully followed. At the same time the facts observed would suggest the probability...
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Annual Report - New South Wales Department of Mines

Mines and mineral resources - 1876
...being reached at distances less than those through which we know them (from surface evidence) to eilend horizontally in directions parallel and transverse to the anticlinal axes ; and as these distancée arc reckoned by thousands of feet, it may тегу safely be conjectured that there is practically...
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