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j r riehle
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Petrography, chemistry, and geologic history of Yantarni Volcano, Aleutian volcanic arc, Alaska
J. R. Riehle · U.S. Geological Survey
27 sayfa · 1987
Alaska / Geochemistry / Volcanic ash, tuff / Yantarni Volcano (Alaska) / Yantarni Volcano Region
The Mount Edgecumbe Volcanic field
J. R Riehle · U.S. Dept. of Agriculture, Forest Service, Alaska Region
42 sayfa · 1996
History / Volcanoes / Sediments (Geology)
A geological and geophysical setting of the gold-silver vein system of Unga Island, southwestern Alaska
J. R. Riehle · U.S. Geological Survey
Sayfa sayısı yok · 1999
Maps / Gold ores / Silver ores / Magnetic prospecting / Geology