book
principles construction and application of pumping machinery 1905
Other
book
prospecting for gold and silver 1895
Other
book
prospecting for gold and silver in north america 1896
Other
book
prospecting for minerals-a practical handbook for prospectors 1906
Other
book
prospecting locating and valuing mines 1900
Other
book
pyrite smelting 1905
Other
book
quicksilver resources of california 1918
Other
book
recovering coal mines after explosions and fires 1910
Other
book
report of the geological survey of the state of missouri 1974
Other
book
report on mining and the mechanical preparation of ores vol 3 1870
Other
book
report on mining and the mechanical preparation of ores vol 4 1870
Other
book
resources of south-west virginia 1881
Other
book
rock crushing machinery 1910
Other
book
safety lamps and colliery explosions 1902
Other
book
silver lead deposits of eureka nevada 1884
Other
book
stamp milling and cyaniding 1915
Other
book
statistics of coal 1848
Other
book
sundry geological problems 1906
Other
book
the choice of coarse and fine-crushing machinery 1894
Other
book
the coal mines regulation act of 1887 1888
Other
book
the coal regions of pennsylvania 1848
Other
book
the colliery engineer pocket book 1891
Other
book
the colliery managers handbook 1904
Other
book
the deposits of the useful minerals and rocks vol 1 1914
Other
book
the deposits of the useful minerals and rocks vol 2 1914
Other
book
the edison electric safety mine lamp 1916
Other
book
the enrichment of ore deposits 1917
Other
book
the explorers miners and metallurgists companion 1873
Other
book
the flotation process 1916
Other
book
the genesis of ore deposits 1902
Other