ADVERTISEMENT. 
1902. 
Brooks, A. II. Preliminary report on the Ketchikan mining district, Alaska, with 
an introductory sketch of the geology of southeastern Alaska. Profes- 
sional Paper No. 1, 1902, pp. 1-120. 
Collier, A. J. A reconnaissance of the northwestern portion of Seward Peninsula, 
Alaska. Professional Paper No. 2, 1902, pp. 1-70. 
Mendenhall, W. C. A reconnaissance from Fort Hamlin to Kotzebue Sound, 
Alaska, by way of Dall, Kanuti, Allen, and Kowak rivers. Professional 
Paper No. 10, 1902, pp. 1-68. 
Walcott, C. I)., Director. Account of operations in Alaska in 1902. In Twenty- 
third Ann. Rept., 1902, pp. 20, 21,57, 71-82, 161. 
1903. 
Baker, Marcus. Geographic dictionary of Alaska. Bull. No. 187, 1902, pp. 1-446. 
Brooks, A. II. Placer gold mining in Alaska in 1902. In Bull. No. 213, 1903, pp. 
41-48. (Out of stock.) 
Stream tin in Alaska. Jn Bull. No. 213, 1903, pp. 92-93. (Out of stock.) 
Collier, A. J. Coal resources of the Yukon basin, Alaska. In Bull. No. 213, 1903, 
pp. 276-283. ( Out of stock. ) 
The coal resources of the Yukon, Alaska. Bull. No. 218, 1903, pp. 1-71. 
The Glenn Creek gold mining district, Alaska. In Bull. No. 213, 1903, pp. 
49-56. (Out of stock.) 
Mendenhall, W. C. The Chistochina gold field, Alaska. In Bull. No. 213, 1903, 
pp. 71-75. (Out of stock.) 
and Schrader, F. C. Copper deposits of Mount Wrangell region, Alaska. 
In Bull. No. 213, 1903, pp. 141-148. (Out of stock.) 
The mineral resources of the Mount Wrangell district, Alaska. Professional 
Paper No. 15, 1903, pp. 1-71. 
Walcott, C. D., Director. Account of operations in Alaska in 1903. In Twentv- 
fourth Ann. Rept, 1903, pp. 78-107, 167, 256. 
1904. 
Brooks, A. H. Placer gold mining in Alaska in 1903. In Bull. No. 225, 1904, pp. 
43-59. 
Collier, A. J. Tin deposits of the York region, Alaska. In Bull. No. 225, 1904, 
pp. 154-167. 
Tin deposits of the York region, Alaska. Bull. No. 229. 
Martin, G. C. Petroleum fields of Alaska and the Bering River coal field. In Bull. 
No. 225, 1904, pp. 365-382. 
Moffit, F. H. The Kotzebue placer gold field of Seward Peninsula, Alaska. In 
Bull. No. 225, 1904, pp. 74-80. 
Prindle, L. M. Gold placers of the Fairbanks district, Alaska. In Bull. No. 225, 
1904, pp. 64-73. 
Schrader, F. G, and Peters, W. J. A reconnaissance in northern Alaska, across 
the Rocky Mountains, along the Koyukuk, John, Anaktuvuk, and Col- 
ville rivers, and the Arctic coast to Cape Lisburne, in 1901. Professional 
Paper No. 20, 1904, pp. 1-139. 
Spencer, A. C. The Juneau gold belt, Alaska. In Bull. No. 225, 1904, pp. 28-42. 
Walcott, C. D., Director. Account of operations in Alaska in 1904. In Twenty-fifth 
Ann. Rept., 1904, pp. 68-85, 346, 348, 352, 354. 
Wright, C. W. The Porcupine placer mining district, Alaska. In Bull. No. 225, 
1904, pp. 60-63. 
The Porcupine placer district, Alaska. Bull. No. 236, 1904, pp. 1-35. 
1905. 
Brooks, Alfred H. The geography and geology of Alaska. A summary of existing 
knowledge, with a chapter on climate by Cleveland Abbe, jr., and a topo- 
graphic map and description thereof by R. U. Goode. Professional Paper 
No. — . 
and others. Progress report for 1904 of division of Alaskan Mineral Resources. 
Bull. No. 259, 1905, pp. 1-190. 
Martin, G. C. The petroleum fields of the Pacific coast of Alaska and the Bering 
River coal field. Bull. No. 250, 1905, pp. 1-65. 
Mendenhall, W. C. The geology of the central Copper River region, Alaska. 
Professional Paper No. 4 1 . 
