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BLASTING EYE INJURIES.

JOHN A. DONOVAN, M.D.
JAMA. 1905;XLV(6):387-389. doi:10.1001/jama.1905.52510060023002d.
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"Frenzied Finance," pro and con, of late has so filled the air that to many the question arises: Does mining really exist? With all her disadvantages, Butte still demonstrates mining as a reality. With her annual production of 250,000,000 pounds of copper, not to mention her silver and gold, her many miles of underground tunnels extending nearly half a mile below the surface, and her thousands of miners using tons of powder daily, Butte offers for our study a subject worthy of consideration.

Eissler1 says:

In no department of human industry has more rapid progress been made of late years than in explosives. The ablest chemists and the best engineers have found in the study of explosives a fruitful field, and the results of their labors are to be seen in the perfected explosives of to-day—explosives which are marvels of chemical perfection; which are so modified and varied in

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