 | State Library of Massachusetts - 1908 - 462 Seiten
...in 1905. 285. Emmons, ä. F., and others. Contributions to economic geology, 1905. 286. Woolsey, LH Economic geology of the Beaver quadrangle, Pennsylvania....southern Beaver and northwestern Allegheny Counties. 287. The Juneau gold belt, Alaska, by AC Spencer, and Л reconnaissance of Admiralty Island, Alaska,... | |
 | 1907 - 1080 Seiten
...Rural Valley Quadrangles, Pennsylvania ; by CHARLES BUTTS. Pp. 198, with 11 plates and 14 figures. No. 286. Economic Geology of the Beaver Quadrangle, Pennsylvania...(Southern Beaver and Northwestern Allegheny Counties) ; by LESTER H. WOOLBEY. Pp. 132, with 8 plates and 35 figures. No. 287. The Juneau Gold Belt, Alaska ; by... | |
 | 1906 - 786 Seiten
...1906. 86 pp., 6 pis. PP 53. Geology find water resources of the Bighorn basin, Wyoming, by Cossius A. Fisher. 1906. 72 pp., 16 pis. B 283. Geology and...northwestern Allegheny counties), by LH Woolsey. 1906. — pp., 8 pis. B 287. The Jiinenu gold belt, Alaska, by AC Spencer, and a reconnaissance of Admiralty... | |
 | 1907 - 968 Seiten
...pis. В 283. Geology and mineral resources of Mississippi, by AF Crider. 1906. 99 pp., 4 pis. В 2£6. Economic geology of the Beaver quadrangle, Pennsylvania...Allegheny counties), by LH Woolsey. 1906. 132 pp., 8 pis. В 287. The Juneau Gold belt, Alaska, by AC Spencer, and a reconnaissance of Admiralty Island, Alaskn.... | |
 | 1906 - 734 Seiten
...pis. B 283. Geology and mineral resources of Mississippi, by AF Crider. 1906. 99 pp., 4 pis. B 2*6. Economic geology of the Beaver quadrangle, Pennsylvania...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... | |
 | 1908 - 874 Seiten
...by CA Fisher. 1900. 72 pp., 16 pis. B 283. Geology and mineral resources of Mississippi, by -\. F. Crider. 1906. 99 pp.. 4 pis. B 286. Economic geology of the Beaver quadrangle, Pennsylvania (southern Reaver and northwestern Allegheny counties) , by LH Woolsey. 1906. 132 pp., 8 pis. B 287. 'The Juneau... | |
 | Geological Survey (U.S.) - 1906 - 234 Seiten
...159. Summary of underground-water resources of Mississippi, by AF Crider and LC Johnson. 1906. 86 pp., 6 pis. PP 53. Geology and water resources of the Bighorn...Pennsylvania (southern Beaver and northwestern Allegheny counOes), by LH Woolsey. 1906. — pp., 8 pis. B 287. The Juneau gold belt, Alaska, by AC spencer,... | |
 | Lester Hood Woolsey - 1906 - 168 Seiten
...pp., 16 pls. B 283. Geology and mineral resources of Mississippi, by AF Crider. 1900. 99 pp., 4 pls. B 286. Economic geology of the Beaver quadrangle....Allegheny counties), by LH Woolsey. 1906. 132 pp., 8 pis. Correspondence should be addrest to THE DIRECTOR, UNITED STATES GEOLOGICAL SURVEY, WASHINGTON, DC OCTOBEB,... | |
 | Harry Foster Bain - 1906 - 778 Seiten
...Geology and mineral resources of Mississippi, by AF Crider. 190ft. — PP-,4 pis. B 286. Economic ecology of the Beaver quadrangle. Pennsylvania (southern Beaver...northwestern Allegheny counties), by LH Woolsey. 1906. — pp., 8 pis. B 287. The Juneau gold belt. Alaska, by AC Spencer, and a reconnaissance of Admiralty... | |
 | Henry Gannett - 1906 - 644 Seiten
...pis. B 2S.1. Geology and mineral resources of Mississippi, by AF Crider. 1906. 99 pp., 4 pis. B 2f 6. Economic geology of the Beaver quadrangle, Pennsylvania...(southern Beaver and northwestern Allegheny counties), by L. II. Woolsey. 1906. 132pp., 8 pis. B 287. The Juneau Gold belt, Alaska, by AC Spencer, and a reconnaissance... | |
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B 287. The Juneau gold belt, Alaska, by AC Spencer, and a reconnaissance of Admiralty Island, Alaska, by CW Wright. 
