book
coal deposits in montana 1974
Other
book
coal iron and oil or the practical american miner 1866
Other
book
coal iron and war 1920
Other
book
coal men of america 1918
Other
book
coal mining 1914
Other
book
coal mining catalogs 1922
Other
book
coke-a treatise on the manufacture of coke 1895
Other
book
colliery engineering vol 31 1911
Other
book
colliery engineering vol 32 1912
Other
book
colliery engineering vol 33 1913
Other
book
colliery engineering vol 34 1914
Other
book
colliery engineering vol 35 1915
Other
book
colliery surveying-a primer 1896
Other
book
colliery working and management 1951
Other
book
combustion of coal and the prevention of smoke 1913
Other
book
compressed air plant 1910
Other
book
compressed air practice in mining 1922
Other
book
conditions in the coal mines of colorado 1914
Other
book
considerations upon the art of mining 1821
Other
book
copper smelting 1885
Other
book
cyanide practice 1910-1913 1913
Other
book
economic geology of montana 1903
Other
book
electrical practice in collieries-a manual for colliery managers 1903
Other
book
examination questions for mine inspector 1907
Other
book
gases met with in mines-mine ventilation 1903
Other
book
gems from the tailings 1875
Other
book
geology and ore deposits of boise basin idaho 1947
Other
book
geology applied to mining 1904
Other
book
geology of colorado and western ore deposits 1893
Other
book
geology of colorado ore deposits 1888
Other