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Mercury Ores
Halse, Edward, (1923)
Die Blei-Zink-Erzvorkommen des Ruhrgebietes und seiner Umrandung
(1951)
Die wichtigsten Lagerstätten der "Nicht-Erze"
Stutzer, Otto, (1911)
A Dictionary of Spanish and Spanish-American mining, metallurgical and allied terms, to which some Portuguese and Potug. ... Amer. (Brazilian) terms are added
Halse, Edward, (1908)
A dictionary of Spanish, Spanish-American, Portuguese and Portuguese-American mining, metallurgical and allied terms
Halse, Edward, (1914)