TY - BOOK AU - Jack, O. Llewellyn. CN - TJ1390 CN - TJ1390 CY - Washington : CY - Springfield, Va. : DA - 1978. ID - 52758 KW - Belt conveyors. KW - Coal mines and mining N1 - Prepared under contract no.-U.S.D.O.E. ET-76-C-01-9020 (formerly U.S.B.M. HO166043. N1 - December, 1978. N1 - This report represents work on a program that was originated by the Interior Dept.'s Bureau of Mines, and was transferred to the Dept. of Energy on October 1, 1977. PB - Dept. of Energy ; PB - for sale by the National Technical Information Service, PP - Washington : PP - Springfield, Va. : PY - 1978. T1 - Intermediate drive belt conveyor :final technical report, as of 31 December 1978 / TI - Intermediate drive belt conveyor :final technical report, as of 31 December 1978 / ER -