4 treff

A study of coal mine haulage in Illinois
by H.H. Stoek, J.R. Fleming, A.J. Hoskin
Bok Engelsk 1922
Bituminous coal storage practice
by H.H. Stoek, C.W. Hippard, W.D. Langtry...
Bok Engelsk 1920
The storage of bituminous coal
Stoek, H.H.
Bok Engelsk 1918
Subsidence resulting from mining
Young, Lewis Emanuel
Bok Engelsk 1916