Yazar
David Carl Hedlund
5 cilt bulundu.
Cilt sonuçları
Geology, mines, and prospects of the Tyrone stock and vicinity, Grant County, New Mexico
David Carl Hedlund · U.S. Dept. of the Interior, Geological Survey
Sayfa sayısı yok · 1985
Geochemical prospecting / Mines and mineral resources
Mineral resources of the Far South Egans Wilderness Study Area, Lincoln and Nye counties, Nevada
David Carl Hedlund · For sale by the Books and Open-File Reports Section, U.S. Geological Survey
11 sayfa · 1987
Mines and mineral resources / Geology
Background information to accompany folio of geologic, mineral resource, geochemical, aeromagnetic, and gravity maps of the Hillsboro and San Lorenzo quadrangles, Sierra and Grant Counties, New Mexico
David Carl Hedlund · Dept. of the Interior, Geological Survey
26 sayfa · 1979
Mines and mineral resources / Geology
Economic geology of some selected mines in the Hillsboro and San Lorenzo quadrangles, Grant and Sierra counties, New Mexico
David Carl Hedlund · U.S. Dept. of the Interior, Geological Survey
Sayfa sayısı yok · 1985
Economic Geology / Geology, Economic / Mines and mineral resources