 | 1906 - 1138 Seiten
...Economic geology of the Beaver quadrangle, Pennsylvania, by LH Woolsey. 1906. — pp. 8 pis. B 287. Juneau gold belt, Alaska, by AC Spencer, and A reconnaissance...Admiralty Island, Alaska, by CW Wright. 1906. 161 pp., 27 pl». PP 54. The geology and gold deposits of the Cripple Creek district, Colorado, by W. Lindgren... | |
 | 1908 - 874 Seiten
...quadrangle, Pennsylvania, by LH Woolsey. 1906. 132 pp., 8 pK B 287. Juneau gold belt, Alaska, by A C. Spencer, and A reconnaissance of Admiralty Island,...Alaska, by CW Wright. 1906. 161 pp.. 27 pis. PP 54. The geology and gold deposits of the Cripple Creek district, Colorado, by W. Lindgren and FL Ransome.... | |
 | 1906 - 1010 Seiten
...geology of the Beaver cjiiadranglc, Pennsylvania, by LH Woolsey. 1906. — pp., 8 pis. B 287. Juneau gold belt, Alaska, by AC Spencer, and A reconnaissance of Admiralty Island Alaska by CW Wright. 1906. —pp., 27 pis. PPM. The geology and gold deposits of the ('ripple Creek district, Colorado, by Wnldemar... | |
 | 1907 - 1026 Seiten
...geology of the Beaver quadrangle, Pennsylvania, by LH Woolsey. 1906. 132 pp., 8 pis. B 287. Juneau gold belt, Alaska, by AC Spencer, and A reconnaissance of Admiralty Island, Alaska, by CW Wsight. 1906. 161 pp., 27 pis. PPM. The geology and gold deposits of the Cripple Creek district, Colorado,... | |
 | 1906 - 734 Seiten
...Beaver and northwestern Allegheny counties), by LH Woolsey. 1906. lit!! pp., 8 pla. B 287. The Juneau Gold belt, Alaska, by AC Spencer, and a reconnaissance of Admiralty Island, Alaska, by C. \V. Wright. 1906. 161 pp., 37 pis. PP 64. The geology and gold deposits of the Cripple Creek district,... | |
 | 1907 - 968 Seiten
...Beaver and northwestern Allegheny counties), by LH Woolsey. 1906. 132 pp., 8 pis. В 287. The Juneau 8T J cun8 g l E W e<C 5 % v 1 ] $ (2 ׳ ] < c h1@? ^ 2j* g Alaskn. by C. \V. Wright. 1906. 161 pp., 37 pis. PP Ы. The geology and gold deposits of the Cripple... | |
 | 1907 - 874 Seiten
...Beaver and northwest cm Allegheny counties), by LH Woolsey. 1906. 132 pp., 8 pis. H 'JsT. The Juneau gold belt, Alaska, by AC Spencer, and a reconnaissance of Admiralty Island, Alaskii.hyC. W Wright. 1906. 161 pp., 37 pis. PP54. The geology and gold deposits of the Cripple Creek... | |
 | 1906 - 1058 Seiten
...Alaska. Bull. 289. SPENCER, AC The Juneau gold belt. In Bull. 284. and WKIGHT, CW The Juneau gold l>elt, Alaska, by AC Spencer, and a reconnaissance of Admiralty Island, Alaska, by C. VV. Wright. Bull. No. 287. WHIHIIT, FE and CW Mineral resources of the Wraugell and Ketchikau mining... | |
 | Samuel Stinson Gannett - 1905 - 718 Seiten
...the Circle quadrangle. Yukon-Tanana region, Alaska. SPENCER, AC,and WRIUHT, CW The Juneau gold l>elt, Alaska, by AC Spencer. and A reconnaissance of Admiralty Island, Alaska, by CW Wright. Bull. No. 287. WRIGHT, FK and C. \\. Mineral resources of the Wrangell and Ketchikan mining districts,... | |
 | Geological Survey (U.S.) - 1906 - 234 Seiten
...Beaver and northwestern Allegheny counOes), by LH Woolsey. 1906. — pp., 8 pis. B 287. The Juneau gold belt, Alaska, by AC spencer, and a reconnaissance...Admiralty Island, Alaska, by CW Wright. 1906. 161 pp., 37 pis. PP 54. The geology and gold deposits of the Cripple Creek district, Colorado, by Waldemar.... | |
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PP 55. Ore deposits of the Silver Peak quadrangle, Nevada, by JE Spurr. 1906. 174 pp., 24 pis. B 289. A reconnaissance of the Matanuska... 
