Evening Republican, Volume 16, Number 72, Rensselaer, Jasper County, 23 March 1912 — Railroad Station Built of Mine Waste. [ARTICLE]

Railroad Station Built of Mine Waste.

A striking example of what may bo done with the waste of zinc and lead mines has been demonstrated in the construction of the new union station at Joplin, Mo., the concrete of which is largely made up at flint and limestone ts tilings taken from the waste plies of the mines of the district Of the 22 parts in the concrete mixture used in constructing the station, 15 parts came from the mines, 10 parts being average tailings, and 5 parts the fine tailings from the sand jigs, called Chitwood sand. Of the remaining seven parts, three were at river sand and four of cement. The center of portion of the station, built in the old Roman type of architecture, is two stories high. The train sheds and platforms cover 25,000 square feet—Popular Mechanics.