II RECENT SURVEY PUBLICATIONS ON ALASKA. 
In preparation. 
Methods and costs of gravel and placer mining in Alaska, by C. W. Purington. Second 
edition. 
SOUTHEASTERN ALASKA. 
Preliminary report on the Ketchikan mining district, Alaska, with an introductory 
sketch of the geology of southeastern Alaska, by Alfred H. Brooks. Professional 
Paper No. 1, 1902, 120 pD. 
The Porcupine placer district, Alaska, by C. W. Wright. Bulletin No. 236, 1904, 35 pp. 
The Treadwell ore deposits, by A. C. Spencer. In Bulletin No. 259, 1905, pp. 69-87. 
Economic developments in southeastern Alaska, by F. E. and C. W. Wright. In 
Bulletin No. 259, 1905, pp. 47-68. ■ 
The Juneau gold belt, Alaska, by A. C. Spencer, pp. 1-137, and A reconnaissance of 
Admiralty Island, Alaska, by C. W. Wright, pp. 138-154. Bulletin No. 287, 
1906, 161 pp. 
Lode mining in southeastern Alaska, by F. E. and C. W. Wright. In Bulletin No. 
284, 1906, pp. 30-53. 
Nonmetallic deposits of southeastern Alaska, by C. W. Wright. In Bulletin No. 284, 
1906, pp. 54-60. 
The Yakutat Bay region, by R. S. Tarr. In Bulletin No. 284, 1906, pp. 61-64. 
Lode mining in southeastern Alaska, by C. W. Wright. In Bulletin No. 314, 1907, 
pp. 47-72. 
Nonmetalliferous mineral resources of southeastern Alaska, by C. W. Wright. In 
Bulletin No. 314, 1907, pp. 73-81. 
Reconnaissance on the Pacific coast from Yakutat to Alsek River, by Eliot Black- 
welder. In Bulletin No. 314, 1907, pp. 82-88. 
Lode mining in southeastern Alaska in 1907, by C. W. Wright. In Bulletin No. 345, 
1908, pp. 78-97. 
The building stones and materials of southeastern Alaska, by C. W. Wright. In 
Bulletin No. 345, 1908, pp. 116-126. 
Copper deposits on Kasaan Peninsula, Prince of Wales Island, by C. W. Wright and 
Sidney Paige. In Bulletin No. 345, 1908, pp. 98-115. 
Topographic maps. 
Juneau Special quadrangle; scale, 1: 62500; by W. J. Peters. For sale at 5 cents each 
or $3 per hundred. 
Topographic map of the Juneau gold belt, Alaska. Contained in Bulletin 287, Plate 
XXXVI, 1906. Not issued separately. 
In preparation. 
Physiography and glacial geology of the Yakutat Bay region, Alaska, by R. S. Tarr, 
with a chapter on the bed-rock geology by R. S. Tarr and B. S. Butler. 
The Ketchikan and Wrangell mining districts, Alaska, by F. E. and C. W. Wright. 
Berners Bay Special map; scale, 1:62500; by R. B. Oliver. (In press.) 
Kasaan Peninsula Special map; scale, 1: 62500; by D. C. Witherspoon and J. W. Bagley. 
CONTROLLER BAY, PRINCE WILLIAM SOUND, AND COPPER RIVER 
REGIONS. 
The mineral resources of the Mount Wrangell district, Alaska, by W. C. Mendenhall. 
Professional Paper No. 15, 1903, 71 pp. Contains general map of Prince William 
Sound and Copper River region; scale, 12 miles = 1 inch. (Out of stock; can be 
purchased from Superintendent of Documents for 30 cents.) 
Bering River coal field, by G. C. Martin. In Bulletin No. 259, 1905, pp. 140-150. 
Cape Yaktag placers, by G. C. Martin. In Bulletin No. 259, 1905, pp. 88-89. 
Notes on the petroleum fields of Alaska, by G. C. Martin. In Bulletin No. 259, 1905, 
pp. 128-139. Abstract from Bulletin No. 250. 
The petroleum fields of the Pacific coast of Alaska, with an account of the Bering River 
coal deposits, by G. C. Martin. Bulletin No. 250, 1905, 64 pp. 
Geology of the central Copper River region, Alaska, by W. C. Mendenhall. Profes- 
sional Paper No. 41, 1905, 133 pp. 
Copper and other mineral resources of Prince William Sound, by U. S. Grant. In Bul- 
letin No. 284, 1906, pp. 78-87. 
Distribution and character of the Bering River coal, by G. C. Martin. In Bulletin No. 
284, 1906, pp. 65-76. 
