Yazar
John Beaver Mertie
22 cilt bulundu.
John Beaver Mertie · U.S. Govt. Print. Off.
94 sayfa · 1939
Analytical geochemistry / Geology / Gold mines and mining / Mines and mineral resources / Placer deposits
John Beaver Mertie · U.S. Government Printing Office
28 sayfa · 1958
Economic Geology / Geology, Economic / Hafnium / Hafnium ores / Heavy minerals
John Beaver Mertie · U.S. Govt. print. off.
97 sayfa · 1940
Platinum / Mines and mineral resources / Geology
John Beaver Mertie · U.S. Govt. Print. Off.
52 sayfa · 1922
Geology / Geology, Stratigraphic / Geology, Structural / Mathematics / Stratigraphic Geology
John Beaver Mertie · U.S. Govt. Print. Off. : for sale by the Supt. of Docs.
79 sayfa · 1979
Monazite / Heavy minerals / Granite
John Beaver Mertie · U.S. Govt. Print. Off.
41 sayfa · 1975
Monazite / Hydraulic mining / Placer mining
John Beaver Mertie · U.S. Govt. Print. Off.
264 sayfa · 1942
Fossil Invertebrates / Fossil Plants / Geology / Geology, Stratigraphic / Gold mines and mining
John Beaver Mertie · U.S. Govt. Print. Off.
255 sayfa · 1936
Economic Geology / Geology / Geology, Economic / Gold mines and mining / Igneous Rocks
John Beaver Mertie · U.S. Govt. Print. Off.
246 sayfa · 1934
Geology / Gold / Gold mines and mining / Mines and mineral resources / Placer deposits
John Beaver Mertie · U.S. Govt. Print. Off.
178 sayfa · 1937
Geology / Metamorphic Rocks / Petrology / Physical geography / Prospecting
John Beaver Mertie · U.S. G.P.O.
97 sayfa · 1951
Economic Geology / Geology / Geology, Economic / Gold mines and mining / Igneous Rocks
John Beaver Mertie · U.S. Govt. Print. Off.
261 sayfa · 1938
Economic Geology / Geology / Geology, Economic / Gold / Gold mines and mining