VI ADVERTISEMENT. 
1900. 
Baker, Marcus. Alaskan geographic names. In Twenty-first Ann. Rept., pt. 2, 
1900, pp. 487-509. 
Brooks, A. H. A reconnaissance from Pyramid Harbor to Eagle City, Alaska, 
including a description of the copper deposits of the upper White and 
Tanana rivers. In Twenty-first Ann. Rept., pt, 2, 1900, pp. 331-391. 
A reconnaissance in the Tanana and White river basins, Alaska, in 1898. 
In Twentieth Ann. Rept., pt. 7, 1900, pp. 425-494. 
Eldridge, G. H. A reconnaissance in the Sushitna basin and adjacent territory, 
Alaska, in 1898. In Twentieth Ann. Rept., pt. 7, 1900, pp. 1-29. 
Gannett, Henry. Altitudes in Alaska. Bui. No. 169, 1900, 13 pp. 
Mendenhall, W. C. A reconnaissance from Resurrection Bay to the Tanana River, 
Alaska, in 1898. In Twentieth Ann. Rept., pt. 7, 1900, pp. 265-340. 
Rohn, Oscar. A reconnaissance of the Chitina River and the Skolai Mountains, 
Alaska. In Twenty-first Ann. Rept., pt. 2, 1900, pp. 303-340. (Out of 
stock. ) 
Schrader, F. C. A reconnaissance of a part of Prince William Sound and the Cop- 
per River district, Alaska, in 1898. In Twentieth Ann. Rept., pt. 7, 1900, 
pp. 341-423. (Out of stock. ) 
Preliminary report on a reconnaissance along the Chandlar and Koyukuk 
rivers, Alaska, in 1899. In Twentv-first Ann. Rept., pt. 2, 1900, pp. 441- 
486. 
and Brooks, A. H. Preliminary report on the Cape Nome gold region, 
Alaska, with maps and illustrations. Washington, Government Printing 
Office, 1900. 56 pp. 3 maps and 19 pis. A special publication. 
Spurr, J. PI A reconnaissance in southwestern Alaska in 1898. In Twentieth Ann. 
Rept., pt. 7, 1900, pp. 31-264. 
Walcott, C. IX, Director. Account of operations in Alaska in 1900. In Twenty- 
first Ann. Rept., pt, 1, 1900, pp. 17-18, 86, 145-149. 
1901. 
Brooks, A. H. An occurrence of stream tin in the York region, Alaska. In Min- 
eral Resources of the U. S. for 1900, 1901, pp. 267-271. Published also as 
a separate, Washington, Government Printing Office, 1901, cover and pp. 
1-5. (Out of stock. ) 
The coal resources of Alaska. In Twenty-second Ann. Rept., pt. 3, 1901, 
pp. 515-571. 
, Richardson, G. B., and Collier, A. J. A reconnaissance of the Cape Nome 
and adjacent gold fields of Seward Peninsula, Alaska, in 1900. In a special 
publication entitled " Reconnaissances in the Cape Nome and Norton Bay 
regions, Alaska, in 1900," Washington, Government Printing Office, 1901, 
pp. 1-180. 
Mendenhall, W. C. A reconnaissance in the Norton Bay region, Alaska, in 1900. 
In a special publication entitled "Reconnaissances in the Cape Nome and 
Norton Bay regions, Alaska, in 1900," Washington, Government Printing 
Office, 190i, pp. 181-218. 
Schrader, F. C, and Spencer, A. C. The geology and mineral resources of a por- 
tion of the Copper River district, Alaska. A special publication, Wash- 
ington, Government Printing Office, 1901, pp. 1-94. 
Walcott, C. D., Director. Account of operations in Alaska in 1901. In Twenty- 
second Ann. Rept., pt. 1, 1901, pp. 35, 95-99, 144, 166-170. 
1902. 
Brooks, A. H. 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. D., Director. Account of operations in Alaska in 1902. In Twenty- 
third Ann. Rept., 1902, pp. 20, 21,57, 71-82, 161. 
