| Arthur Coe Spencer - 1906 - 270 Seiten
...Beaverand northwestern Allegheny counties), by L. Н. Woolsey. 1906. — pp., s pis. В 2s7. The Junean gold belt, Alaska, by AC Spencer, and a reconnaissance...Admiralty Island, Alaska, by CW Wright. 1906. 161 pp., 37 pls. Correspondence should be addressed to THE DIRECTOR, UNITE» STATUS c¡EOUKÎICAL SURVEY, AUGUST,... | |
| Geological Survey (U.S.) - 1906 - 1290 Seiten
...north western Allegheny counties), by LH Woolsey. 1906. — F'P-.S pis. B 2S7. The Juneau gold bell, Alaska, by AC Spencer, and a reconnaissance of Admiralty Island, Alaska, by CW Wright. 1906. 161 pp., 37 pis. PPM. The geology and gold deposits of the Cripple Creek district, Colorado, by W. Lindgren... | |
| Louis Marcus Prindle, Frank Lee Hess - 1906 - 202 Seiten
...field, Alaska. Bull. 289. SPENCER, AC The Juneau gold belt. In Bull. 284. and WRIGHT, CW The Juneau gold belt, Alaska, by AC Spencer, and a reconnaissance of Admiralty Island, Alaska, by CW Wright. Bull. No. 287. WRIGHT, FE and CW Mineral resources of the Wraugell and Ketchikan mining districts,... | |
| Henry Gannett - 1906 - 644 Seiten
...Bearcrand northwestern Allegheny counties), by LH Wools»y. 1906. 132 pp., 8 pis. B287. The Juneau gold belt, Alaska, by AC Spencer, and a reconnaissance of Admiralty Island. Alaska, by 0. W. Wright. 1906. 161 pp., 37 pis. PP M. The geology and gold deposits of the Cripple Creek district,... | |
| Samuel Stinson Gannett, David Henry Baldwin - 1906 - 992 Seiten
...Beaverar7lr"itorth '. Allegheny coiintie- i. by LH Woolsey. 1906. — pp.. s pi-. B287. The J uneau gold belt, Alaska, by AC Spencer, and a reconnaissance of Admiralty Island, Alaska, by c. W. Wright. 1906. 161 pp., 37 pis. ' 54. The geology and gold deposits of the Cripple Creek district,... | |
| Harry Foster Bain - 1906 - 778 Seiten
...Economic 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 C. \V. Wright. 1906. 161 pp., 27 pis. PP 54. The geology and gold deposits of the Cripple Creek district,... | |
| Benjamin Kendall Emerson, Joseph Hartshorn Perry - 1907 - 700 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...Island, Alaska, by CW Wright. 1906. 161 pp., 27 pis. PP54. The geology and gold deposits of the Cripple Crerk district, Colorado, by W. Lindgren and FL... | |
| 1907 - 952 Seiten
...Beaver and northwestern Allegheny counties), by LH Woolsey. 1906. 132 pp., 8 pis. B 287. The Juneuu 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 W. Lindgren... | |
| George Homans Eldridge, Ralph Arnold - 1907 - 350 Seiten
...Beaver and northwestern Allegheny counties), by LH Woolsey. 1906. 132 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 Crippie Creek district, Colorado, by W. Lindgren... | |
| Geological Survey (U.S.) - 1907 - 880 Seiten
...Beaver and northwestern Allegheny counties), by LH Woolsey. 1906. 132 pp., 8 pis. B 2X7. The Juneau gold belt, Alaska, by AC Spencer, and a reconnaissance...Admiralty Island. Alaska, by CW Wright. 1906. 161 pp., 87 pis. PP 54. The geology and gold deposits of the Cripple Creek district, Colorado, by W. Undgren... | |
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