Yazar
c m mcculloch
4 cilt bulundu.
Cilt sonuçları
Applying computer-drawn maps of geologic data to analysis of mining problems
C. M. McCulloch · U.S. Dept. of the Interior, Bureau of Mines
26 sayfa · 1976
Mining geology / Mine maps
Determining cleat orientation of deeper coalbeds from overlying coals
C. M. McCulloch · U.S. Dept. of the Interior, Bureau of Mines, c
19 sayfa · 1976
Degassing of coal / Coal mines and mining
