ds and haze are seldom seen. about 60 feet thick. Excavation is commenced at the The largest part of the salt taken out of the mines is This generous gift offers an opportunity for useful of a dark gray color, and is claimed to be purer than top. Then, of course, when the second stratum is be- work… … in Russia, Turkey, and on the one side and odd THE RETSOF SALT MINE, NEW YORK STATE. British India) had, in numbers on the other. 1887, a population of 395,000,000, being an increase of mine at the west of the main The shaft enters the portions of salt are of a reddish cast, while occasionally…
Connected · Water · Pipe · Munn · Asks · Scientific American · Device · San Diego · Nitric acid · Horse power · Builders edition · American supplement · Transmitting instrument · Express money · Pivotally connected · Letters patent
Internet Archive · Public domain (published before 1931). Free to use for anything.
