PUBLICATIONS ON ALASKA. IX 
Walcott, C. P., Director. Account of operations in Alaska in 1905. In Twenty- 
sixth Ann. Kept., 1905, pp. 73-80. 
Wright, F. E. and C. W. Economic developments in southeastern Alaska. In 
Bull. No. 259, 1905, pp. 47-68. 
1906. 
Brooks, A. H. The geography and geology of Alaska, a summary <>!' existing knowl- 
edge, with a section on climate, by Cleveland Abbe, jr.. and a topographic 
map and description thereof, by R. U. Goode. Prof. Paper No. 15, 1906 
pp. 1-327. 
Collier, A. J. Geology and coal resources of Cape Lisburne region, Alaska. Bull 
No. 278. 
Moffit, F. H., and Stone, R. W. Mineral resources of the Kenai Peninsula: (.old 
fields of the Turnagain Arm region, by F. H. Moffit; Goal fields of the 
Kachemak Bay region, by R. W. Stone. Bull. No. 277. 
Prindle, L. M., and Hess, F. L. The Rampart gold placer region, Alaska. Bull. 
No. 280, 1906, pp. 1-54. 
Papers on Alaska in Preparation. 
Brooks, A. H. An exploration in the Mount McKinley region. 
and others. Report on progress of investigation of mineral resources of 
Alaska in 1905. Bull. No. 284. 
Collier, A. J., Hess, F. L., and Brooks, A. H. The gold, placers of a part of the 
Seward Peninsula, Alaska. 
Marti x, G. C. Geology of the Controller Bay coal field, Alaska. Preliminary 
report on the Matanuska coal field, Alaska. Bull. 289. 
Spencer, A. C. The Juneau gold belt. In Bull. 284. 
and Wright, C. W. The Juneau gold belt, Alaska, by A. C. Spencer, and 
a reconnaissance of Admiralty Island, Alaska, by C. W. Wright. Bull. 
No. 287. 
Wright, F. E. and C. W. Mineral resources of the Wrangell and Ketchikan mining 
districts, Alaska. 
Topographic Maps of Alaska. 
The following maps are for sale at 5 cents a copy, or $3 per hundred: 
Fortymile quandrangle; scale, 1:250000. ETC. Barnard. 
Grand Central Special, Seward Peninsula; scale, 1:62500. T. I ;. < ierdine. 
Juneau Special quadrangle; scale, 1:62500. W. J. Peters. 
Nome Special, Seward Peninsula; scale, 1:62500. T. G. Gerdine. 
The following maps are included as illustrations of published reports, but have not 
been issued separately. They can be obtained only by securing the report. 
Alaska, topographic map of; scale, 1:2500000. Preliminary edition. Contained in 
"The geography and geology of Alaska, a summary of existing knowledge, etc." 
Prof. Paper No. 45. R. U. Goode. 
Cape Nome and adjacent gold fields; scale, 1 : 250000. Contained in a special publica- 
tion of the United States Geological Survey, entitled "Reconnaissances in the 
Cape Nome and Norton Bay regions, Alaska in 1900." Washington. Govern- 
ment Printing Office, 1901. ' E. C. Barnard. 
Chitina and lower Copper River region; scale, 1 : 250000. Contained in a special pub- 
lication of the United States Geological Survey, entitled "The geology and min- 
eral resources of a portion of the Copper River district, Alaska," Washington. 
Government Printing Office, 1901. T. G. Gerdine and D. C. Witherspoon. 
Cook Inlet, head of, to the Tanana via Matanuska and Delta rivers, also part of 
Kenai Peninsula; scale, 1 : 625000. Contained in "A reconnaissance from Resur- 
rection Bay to Tanana River, Alaska, in 1898." Twentieth Ann. Rept., pt. 7, 
1900, pp. 265-340. W. C. Mendenhall. 
Cook Inlet, region from head of, to Kuskokwim River and down the Kuskokwim to 
Bering Sea, Bristol Bay, and a part of Alaska Peninsula; scale, 1 : 625000. Pub- 
lished in sections in "A reconnaissance in southwestern Alaska, in 1898." 
Twentieth Ann. Rept., pt. 7, 1900, pp. 31-264. W. S. Post, 
Cook Inlet placer fields; scale 1 : 250000. Contained in " Mineral Resources of Kenai 
Peninsula, Alaska." Bull. No. 277. E. G. Hamilton. 
Copper and upper Chistochina rivers; scale, 1:250000. Contained in "Geology of 
the central Copper River region, Alaska." Prof. Paper No. 41. T. G. Gerdine. 
Copper, Nabesna, and Chisana rivers, headwaters of; scale, 1 : 250000. Contained 
in "Geology of the central Copper River region, Alaska." Prof. Paper No. 41. 
D. C. Witherspoon. 
