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Wire Ropes Used for Hoisting in U.S. Mines.

McKewan-WM; Shapiro-DE; Miscoe-AJ

MISSING :21 pages

10011066

This U.S. Bureau of Mines report discusses wire ropes used for hoisting in U.S. mines. The information presented was extracted from a large body of data compiled by the U.S. Mine Safety and Health Administration (MSHA) using a data base management system (dms). Further, these extracted data were then manipulated to provide tables of data that show the types and amount of wire rope used for hoisting. This report describes the different types of wire ropes and how a dms can be used to manipulate MSHA's wire rope inventory data. The data indicate that more 1-1/4-in-diam ropes, 6 x 27 construction ropes, and right lang lay ropes are used in U.S. mines than ropes of any other diameter, construction, or lay type.

19910101

IH; Information Circular;

1991

IC 9299

PRC;

MISSING