 | Geology - 1906 - 1138 pages
...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... | |
 | Geology - 1908 - 874 pages
...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.... | |
 | Geology - 1906 - 1010 pages
...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... | |
 | Geology - 1907 - 1026 pages
...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,... | |
 | Geology - 1906 - 734 pages
...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,... | |
 | Geology - 1907 - 968 pages
...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... | |
 | Geology - 1907 - 874 pages
...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... | |
 | Geology - 1906 - 1058 pages
...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 - Geographical positions - 1905 - 718 pages
...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.) - Geology - 1906 - 234 pages
...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... 
