VI PUBLICATIONS ON ALASKA. 
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 Scurader, F. C. Copper deposits of Mount Wrangell region, Alaska. 
In Bull. No. 213, 1903, pp. L41-148. (Out of stock.) 
The mineral resources of the Mount Wrangell district, Alaska. Prof. Taper 
No. 15, 1903, pp. 1-71. 
Walcott, C. 1>., Director. Account of operations in Alaska in 1903). In Twenty- 
fourth Ann. Kept., 1903, pp. 78-107, 167, 256. 
1904. 
Brooks, A. II. 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 Held. In Bull. 
No. 225, 1901, pp. 305-382. 
Moppit, P. II. The Kotzebue placer gold field of Seward Peninsula, Alaska. In 
Bull. No. 225, 1904, pp. 74 -SO. 
Prindle, L. M. Gold placers of the Fairbanks district, Alaska. In Bull. No. 225, 
1904, pp. 64-73. 
Schrader, F. C., 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. Prof. 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 1903-4. In Twenty- 
fifth Ann. Kepi. P. S. Geol. Survey, 1904, pp. 68-85, 346, 348, 352, 354.' 
Wrigut, C. W. The Porcupine placer mining district, Alaska. In Bull. No. 225, 
L904, pp. oo o.;. 
■ The Porcupine placer district. Alaska. Bull. No. 236, 1004, pp. 1-35. 
1905. 
Brooks, A. II. Administrative report. In Report on progress of investigations of 
mineral resources of Alaska in 1904: Pull. [J. S. Geol. Survey No. 259, 1905, 
pp. 13-17. 
Placer mining in Alaska in 1904. In Pull. No. 259, 1905, pp. 18-31. 
Collier, A. J. Gold fields of the Cape Lisburne region. In Pull. No. 259, 1905, pp. 
172-185. 
Gold mine on Unalaska Island. In Bull. No. 250, 1905, pp. 102-103. 
Recent developments of Alaskan tin deposits. In Bull. No. 259, 1905, pp. 
120-127. 
Martin, G. C. Bering River coal field. In Bull. No. 259, 1905, pp. 140-150. 
CapeYaktag placers. In Bull. No. 259, 1905, pp. 88-89. 
Gold deposits of the Shumagin Islands. In Pull. No. 259, 1905, pp. 100-101. 
Notes on the petroleum fields of Alaska. In Bull. No. 259, 1905, pp. 128-139. 
The petroleum fields of the Pacific coast of Alaska, with an account of the 
Bering River coal deposits. Bull. No. 250, 1905, pp. 1-04. 
Mendenhall, W. C. Geology of the central Copper River region, Alaska, Prof. 
Paper No. 41, 1905,'pP- 1-133. 
Mopfit, F. H. Gold placers of Turnagain Arm, Cook Inlet. In Bull. No. 259, 1905, 
pp. 90-99. 
The Fairhaven gold placers of Seward Peninsula. Bull. No. 247, pp. 1-85. 
Prindle, L. M. The gold placers of the Fortymile, lurch Creek, and Fairbanks 
regions. Pull. No. 251, 1905, pp. 1-89. 
- and Hess, P. L. Rampart placer region. In Bull. No. 259, 1905, pp. 104- 
119. 
Purington, C. W. Methods and costs of gravel and placer mining in Alaska. Pull. 
No. 203, 1905, pp. 1-302. Also in Bull. No. 259, 1905, pp. 32-46. 
Spencer, A. ('. The Tread well ore deposits. In Bull. No. 259, 1905, pp. 09-87. 
Stone, R. \V. Resources of southwestern Alaska. In Pull. No. 259, 1905, pp. 
151-171. 
