Analysis of fatalities related to scoops and tractors in underground bituminous coal mines, 1971-1973 /

by McLellan, Russell R.
Published 1975

Analysis of disabling injuries related to roof bolting in underground bituminous coal mines - 1973 /

by Miller, Wayne K., McLellan, Russell R.
Published 1975

Analysis of fatal accidents involving front-end loaders at metal and nonmetal mines, 1972-74 /

by Oitto, Richard H., McLellan, Russell R.
Published 1975