20 



MINERAL RESOURCES Continued. 



Report on progress of investigations Continued. 



1907. 294 pages, illus., 5 maps (1 in pocket). (Geological Bulletin 345.) 

 Paper, 45c. I 19.3:345. 

 CONTENTS: 



Distribution of mineral resources in Alaska. 



Mining industry in 1907. 



Prospecting and mining gold placers. 



Lode mining in southeastern Alaska, 1907. 



Copper deposits on Kasaan Peninsula, Prince of Wales Island. 



Building stones and materials of southeastern Alaska. 



Mineral resources of Kotsina and Chitina Valleys, Copper River region. 



Copper prospects of Prince William Sound. 



Occurrence of gold in Yukon-Tanana region. 



Fortymile gold-placer district. 



Water supply of Fairbanks district, 1907. 



Investigations of mineral deposits of Sew*d Peninsula. 



Seward Peninsula tin deposits. 



Mineral deposits of Lost River and Brooks Mountain region, Seward Peninsula. 



Water supply of Nome and Kougarok regions, Seward Peninsula, 1906-7. 



1908. 418 pages, illus., 9 maps. (Geological Bulletin 379.) Paper, 50c. 



I 19.3:379- 

 CONTENTS: 



Mining industry in 1908. 

 Peat fuel in Alaska. 

 Mining in southeastern Alaska. 



Copper mining and prospecting on Prince William Sound. 

 Gold on Prince Wilfiam Sound. 



Geology and mineral prospects in vicinity of Seward, Kenai Peninsula. 

 Mineral resources of southwestern Alaska. 



Mining in Kotsina, Chitina, Chistochina, and Valdez Creek regions. 

 Mineral resources of Nabesna-White River district. 

 Fairbanks gold-placer region. 

 Water supply of Yukon-Tanana region. 

 Gold placers of Ruby Creek district. 

 Placers of Gold Hill district. 

 Gold placers of Innokq district. 

 Recent developments in southern Seward Peninsula. 

 Iron Creek region. 

 Mining in Fairhaven precinct. 

 Water supply investigations in Seward Peninsula in 1908. 



1909. 432 pages, illus., 7 maps. (Geological Bulletin 442.) Paper, 40c. 



1 19.3:442 



CONTENTS: 



Mining industry in 19G9. 

 Alaska coal and its utilization. 

 Preparation and use of peat as fuel. 

 Mining in southeastern Alaska. 

 Occurrence of iron ore near Haines. 



Report of water-power reconnaissance in southeastern Alaska. 

 Mining in Chitina district. 



Mining and prospecting on Prince William Sound in 1909. 

 Preliminary report on mineral resources of southern part of Kenai Peninsula. 

 Outline of geology and mineral resources of Lliarnna and Clark Lake region. 

 Gold placers of Mulchatna. 



Sketch of geology of northeastern part of Fairbanks quadrangle. 

 Auriferous quartz veins of Fairbanks district. 

 Placer mining in Yukon-Tanana region. 

 Occurrence of wolframite and cassiterite in gold placers of Dead wood Creek, Birch Creek dis- 



Water supply of Yukon-Tanana region, 1909. 



Koyukuk-Ctiandalar gold region. 



Mineral resources of Nulato-Council region. 



Mining in Seward Peninsula. 



Water-supply investigations in Seward Peninsula, 1909. 



1910. 333 pages, illus., maps (1 in pocket). 1 ] (Geological Bulletin 480.) Paper, 

 40c. I 19.3:480 



CONTENTS: 



Report on progress of surveys of public lands in Alaska during 1910. 

 Mining industry in 1910. 



Geologic features of Alaskan metalliferous lodes. 

 Mining in southeastern Alaska. 

 Eagle River region. 



Upper Sushitna and Chistochina districts. 



Preliminary report on detailed survey of part of Matanuska coal fields. 

 Reconnaissance of Willow Creek gold region. 

 Placer mining in Yukon-Tanana region. 



acer mnng n uon-anana regon. 

 Water supply of Yukon-Tanana region, 1910. 

 Mineral resources of Bonnifield region. 

 Gold-placer mining developments in Innoko-Iditarod region. 

 Shungnak region, Kobuk Valley. 



Squirrel River placers. 



