1–20 of 25 hits
|

    A peculiar lode formation

    Willis, C.E. | Engineering Index Backfile | 1898
    Keywords: Gold geology

    The mother lode of California

    Browne, Ross E. | Engineering Index Backfile | 1898
    Keywords: Gold geology

    Thunder Mountain, Idaho

    L'Hame, William E. | Engineering Index Backfile | 1901
    Keywords: Gold

    The banner country of the mother lode

    Bentley, J.L. | Engineering Index Backfile | 1903
    Keywords: Gold

    The comstock lode

    Maguire, Don | Engineering Index Backfile | 1905
    Keywords: Gold

    Lodes in the tertiary eruptions of Colorado

    Rickard, T.A. | Engineering Index Backfile | 1907
    Keywords: Gold and silver

    Oaxaca

    Wooton, Paul | Engineering Index Backfile | 1909
    Keywords: Gold and silver

    Possibilities of the Mother Lode in depth

    Storms, William H. | Engineering Index Backfile | 1911
    Keywords: Gold and silver

    Big wonder syndicate's Auriferous lodes

    Cecil Saint-Smith, E. | Engineering Index Backfile | 1915
    Keywords: Gold and silver

    Cariboo placers and lodes

    Macpherson, J.A. | Engineering Index Backfile | 1919
    Keywords: Gold deposits

    Valedictory address

    Roberts, F.G.A. | Engineering Index Backfile | 1928
    Keywords: Gold mines and mining

    Air-transportation of gold dredges in new Guinea

    Banks, C.A. | Engineering Index Backfile | 1932
    Keywords: Gold dredges

    Tractors speed placer development in Alaska

    Engineering Index Backfile | 1936
    Keywords: Gold placers and placering

    Yellowknife, 1947

    Stephens, F.H. | Engineering Index Backfile | 1947
    Keywords: Gold mines and mining

    Mining of Mercedes orebody, Macuchi, Ecuador, South America

    Williams, C.T. | Engineering Index Backfile | 1947
    Keywords: Copper gold mines and mining

    The mechanization of narrow vein mining at the Dome mine

    Robertson, B.E. | Tema Archive | 1986
    Keywords: GOLD

    The Cambior Story

    Gignac, L.P. / Vezina, E. / Leclerc, R. | Tema Archive | 1990
    Keywords: GOLD

    Probleme und Verbesserungen der Gleisförderung in Südafrika

    Peschers, H. | Tema Archive | 1991
    Keywords: GOLD

    Mesquite in the chocolate mountains

    Phelps, R.W. | Tema Archive | 1992
    Keywords: GOLD