Merrill, George P. · John Wiley & Sons, Chapman & Hall, Ltd., · leaf 315
e it is unique. Properly managed such can be worked up to good advan- * The writer has met with just such cases in his experience. A certaindeposit was represented as a solid mass of merchantable stone, showing aquarry face 100 or more feet in length by some 20 or 30 feet in height. Oninspection it… … THE ONYX MARBLES, OR TRAVERTINES. tage, but too much has been expected from them, and it isthis fact that has led to the disastrous failures following everyattempt that has thus far been made to work the cave marblesin America. If the material as taken from the ledge couldbe assorted by some…
Decoration and ornament, Architectural · Quarries and quarrying · Building stones
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