Evans, Robert J.
Surface testing and evaluation of the monorail bridge conveyor system / by Robert J. Evans, William D. Mayercheck, and Joseph L. Saliunas. - Avondale, Md. : U.S. Dept. of the Interior, Bureau of Mines, 1987. - ii, 35 p. : ill. - Information circular ; 9146 . - Information circular (United States. Bureau of Mines) ; 9146. .
55051745
Mining machinery--Testing.
Monorail conveyors--Testing.
TN295 TN345 / .U4 no. 9146
I 28.27:9146
Surface testing and evaluation of the monorail bridge conveyor system / by Robert J. Evans, William D. Mayercheck, and Joseph L. Saliunas. - Avondale, Md. : U.S. Dept. of the Interior, Bureau of Mines, 1987. - ii, 35 p. : ill. - Information circular ; 9146 . - Information circular (United States. Bureau of Mines) ; 9146. .
55051745
Mining machinery--Testing.
Monorail conveyors--Testing.
TN295 TN345 / .U4 no. 9146
I 28.27:9146