Geologic investigations in the Lake Valley area, Sierra County, New Mexico O'Neill, J. M. text cou Denver, Colo U.S. Geological Survey 2002 monographic eng
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VII, 78 S Ill., graph. Darst., Kt 1 Kt.-Beil. by J.M. O'Neill, ed. Literaturverz. S. 76 - 78. Lake Valley <Sierra, NM> Geologie 557.8967 G3454 38.55 Regionale Geologie U.S. Geological Survey professional paper 1644 0607969571 ZXW 020826 20160527193202.0 264740 ger