Yazar
Jacob Eugene Gair
9 cilt bulundu.
Cilt sonuçları
The Conterminous United States Mineral Assessment Program
Jacob Eugene Gair · Dept. of the Interior, U.S. Geological Survey
18 sayfa · 1986
Mines and mineral resources
Preliminary results of geochemical soil survey, Hamme tungsten district, North Carolina
Jacob Eugene Gair · U.S. Geological Survey
19 sayfa · 1975
Tungsten / Ore deposits / Geochemistry / Soils / Soil surveys
Index of slides of geologic map, mineral occurrence maps, geochemical maps, heavy mineral maps, and mineral resource potential maps, Charlotte 1p0s
Jacob Eugene Gair · U.S. Geological Survey
Sayfa sayısı yok · 1982
Maps / Indexes / Mines and mineral resources / Geochemistry
Index of slides of geologic map, mineral occurrence maps, geochemical maps, heavy mineral maps, and mineral resource potential maps, Charlotte 1
Jacob Eugene Gair · U.S. Geological Survey
Sayfa sayısı yok · 1982
Maps / Indexes / Mines and mineral resources / Geochemistry
