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Douglas B Yager
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Caldera-related lava flows and intrusions of the south-central San Juan Mountains, Colorado
Douglas B Yager · Books and Open-File Reports Section [distributor]
19 sayfa · 1991
Calderas / Intrusions (Geology) / Volcanic ash, tuff
Net acid production, acid neutralizing capacity, and associated mineralogical and geochemical characteristics of Animas River watershed igneous rocks near Silverton, Colorado
Douglas B. Yager · U.S. Geological Survey
63 sayfa · 2008
Water / Acid mine drainage / Geochemistry / Composition
SUPERXAP manual
Douglas B Yager · [Books and Open-File Reports Section, distributor]
45 sayfa · 1992
Computer programs / Fluorescence spectroscopy / X-ray spectroscopy