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| MINING IN NORTHWESTERN ALASKA. By S. H. CATHCART. INTRODUCTION. The season of 1918 was the most unfavorable...unfavorable for placer mining that the Seward Peninsula has experienced. Several factors combine to account...Solomon Eiver district frost as deep as 10 feet was reported, and in the Council City district frost was... fuel, and foodstuffs was felt severely in all mining operations. It is estimated that the cost of production...arrival of the first boat until June 25. Ditch and creek waters froze October 3, and the first 6 inches of |
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| INTRODUCTION. The area here called the Cosna-Nowitna region extends southward from Yukon and Tanana rivers...general way the 1 Hcrron, J. S., Explorations in Alaska, 1899: War Dept., Adjt. General's Office, No. 31... 1901. 211 212 MINERAL RESOURCES OF ALASKA, 1915. Yukon-Kuskokwim divide. A pack train of seven...the Yukon and Kuskokwim were mapped. Geologic mapping was extended over practically the same area. The...the eastern part. Still farther east, beyond the area surveyed, several small isolated ranges and hills |
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| THE OCCURRENCE OF METALLIFEROUS DEPOSITS IN THE YUKON AND KUSKOKWIM REGIONS. By J. B. MERTIE, Jr. INTRODUCTION...Geological Survej7 in Alaska for 25 years, with the primary object of fostering a mining industry in the Territory...objectives is attained by geologic studies in various mining districts to determine the origin, character, and...the mining operator of the present day; that of the second benefits the prospector and the mining operator...the future. Nearly all the developed mining districts in Alaska have been examined by members of the |
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| Placer Deposits of Alaska By EDWARD H. COBB GEOLOGICAL SURVEY BULLETIN 1374 An inventory of the...the placer mines and prospects of Alaska, their history and geologic setting UNITED STATES GOVERNMENT...and method of presentation __ Definitions _-____ Alaska Peninsula region Aleutian Islands region ________...Anchorage district _ Redoubt district ___-_ _ Valdez Creek district __ _ Willow Creek district Yentna district...district _____________ _ ____ __________ _____ Copper River region __ _ _ _ Chistochina district Nelchina |
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| HAKEINGTON. SUMMARY OF MINING OPERATIONS. t A resume of the history of tin mining in Alaska up to 1914 has been...his report. Stream tin was first found on Buhner Creek, a tributary of Anikovik River, in 1900, and there...since 1902. In 1911 a dredge was installed on Buck Creek which has been in operation each season since. Two...following season. A second dredge was installed on Buck Creek in 1915 and has worked each summer since that date...hull in 1916 and installed on a dredge on Swanson Creek, a tributary of Agiapuk Eiver. The hull was carried |
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| INTRODUCTION. Eleven parties were engaged during 1917 in Alaska surveys and investigations. The length of the field...results of which can not be expressed in terms of area. About 1,050 square miles was covered by reconnaissance...Service, stream gaging was continued in southeastern Alaska. In 1917 the entrance of the United States into...the construction of the Government railroad in Alaska gave more than ordinary importance to the collection...minerals of economic value, among which were tin, tungsten, platinum, copper, chrome iron ore, nickel, and |
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| Synopsis of the Mineral Resources and Geology of Alaska GEOLOGICAL 1 SURVEY BULLETIN 1307 Synopsis... Synopsis of the Mineral Resources and Geology of Alaska By EDWARD H. COBB GEOLOGICAL SURVEY BULLETIN 1307...with the Department of Natural Resources, State of Alaska UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON:...Introduction _________________________________ Alaska Peninsula region ___________________________ Aleutian..._________ Northern Alaska region ____________________________ Northwestern Alaska region _^_______________________ |
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| THE ALASKAN MINING INDUSTRY IN 1921. By ALFRED H. BROOKS. GENERAL FEATURES. The value of the total...total mineral production of Alaska in 1920 was $23,303,757; the value in 1921 was $17,004,124. Yet in spite...spite of this tremendous falling off, the mining industry as a whole can be said to have been more prosperous...low price of copper, and no advance of the Alaska copper-mining industry can be expected until there is...the metal. Coal mining shows some growth, though it remains to be proved that Alaska high-grade coal |
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| article to describe the available mineral reserves of Alaska. The Territory is now producing copper, gold, and...quantities and making a smaller output of antimony, tungsten, tin, lead, petroleum, coal, etc. The output of...and other undeveloped mineral deposits known in Alaska may be able to furnish a supply during the present...to this group in so far as they require extensive mine equipment before productive operations can be begun...part of the year. The conditions in the rest of Alaska are still less favorable to rapid development. |
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| has long attached to deposits of iron ore in an area that centers about 25 miles northwest of Nome. A...groups of claims are held in the iron-bearing district. Three of these the Mogul, Monarch, and Galena...height of land between Sinuk Eiver and Washington Creek, a south tributary of the Sinuk. The American group...four claims, is west of Sinuk River below American Creek, and the Cub Bear group, also of four claims, crosses...crosses the divide between Washington Creek and Cripple River. Heavily iron-stained blossom occurs at |
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| MINERAL RESOURCES OF ALASKA, 1915. By ALFRED H. BROOKS and others. PREFACE. By ALFRED H. BROOKS. This...of annual bulletins * treating of the mining industry of Alaska and summarizing the results achieved during...particular district are thereforeurged to procure a copy of the complete report on that district as soon...the year and summaries of the condition of the mining industry, including statistics of mineral production...the mining industry for the years which they cover. Lack of funds prevents a visit to every mining district |
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| MINING ON SEWARD PENINSULA. By GEORGE L. HARKINGTON. PLACER MINING. SUMMARY OP MINING CONDITIONS. During...Seward Peninsula were generally favorable for placer mining until the later part of September and the first...dredges and a few of the larger plants continuing mining after that date and most of the latter working...recovered through some of the various methods of placer mining. No information was ob tamed regarding the saving...as in previous years as a by-product of placer mining for gold. Difficulty had been experienced in marketing |
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| MINERAL RESOURCES OF ALASKA, 1913. By ALFRED H. BROOKS and others. PREFACE. By ALFRED H. BROOKS The...annual bulletins 1 treating of the progress of mining in Alaska a.nd summarizing the results achieved du.ring...particular district are therefore urged to procure a. copy of the comΒ plete report on th.at district as soon...the year and summaries of the conditions of the mining industry, including statistics of mineral production...shall serve as convenient reference works on the mining industry for the yea.rs which they cover. Lack |
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| MINERAL RESOURCES OF ALASKA, 1916. By ALFRED H. BROOKS and others. PREFACE. By ALFRED H. BROOKS. This...of annual bulletins 1 treating of the mining industry of Alaska and summarizing the results achieved during...particular district are therefore urged to procure a copy of the complete report on that district as soon...the year and summaries of the condition of the mining industry, including statistics of mineral production...the mining industry for the years which they cover. Lack of funds prevents a visit to every mining district |
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| Director. Bulletin 868 MINERAL RESOURCES OF ALASKA REPORT ON PROGRESS OF INVESTIGATIONS IN 1934 BY...separate publication] Page (A) Mineral industry of Alaska in 1934, by P. S. Smith (published Jan. 25, 1936)_______...3. 4. Topographic map of Kodiak and vicinity, Alaska. ___________ Geologic map of Kodiak and vicini...upper Ugak Bay_ _______________________ 7. Kodiak, Alaska, in August 1912, several months after the explosion...sketch map of the Kaiyuh Hills and part of the Ruby district- ______________________________________________ |
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| MINERAL RESOURCES OF ALASKA, 1918. By G. C. MAIM-IN AXD OTHERS. PREFACE. By G. C. MARTIX. This volume...of annual bulletins l treating of the mining industry of Alaska and summarizing the results achieved during...particular district should therefore procure a copy of the complete report on that district as soon as-it...others of the series, contains an account of the mining industry, including statistics of mineral production...shall serve as" convenient reference works on the mining industry for the years which they cover. It is |
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| IYOUKEEN COVE, CHICHAGOF ISLAND, ALASKA By B. D. STEW ART EARLIER MINING OPERATIONS LOCATION AND EXTENT...grade and size was known prior to 1905. Active mining of the largest known deposit was commenced in 1906...exhausted.1 This deposit was situated on Gypsum Creek, which enters deep water on Chatham Strait near...2 The gypsum produced throughout the life of the mine was of exceptional purity. The color ranged from...the Pacific coast. The productive capacity of the mine was over 100 tons of gypsum a day, and the total |
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| are widespread within allochthonous terranes of Alaska that are composed dominantly of greenschist-facies...concentrated in south-central and southeastern Alaska; small and generally nonproductive gold-bearing...major placer deposits in interior and northern Alaska. Oreforming fluids in all areas are consistent...hydrothermal activity. Within interior and northern Alaska, latest Paleozoic through Early Cretaceous contractional...possibly related to extension and uplift. In southern Alaska, gold deposits formed during latter stages of Tertiary |
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| projects were under way in preparation for productive mining. In other words, the work of the prospector and...and that of the capitalist, guided by the mining engineer, showed advances during the year. There is good...that the widespread pessimism in regard to the Alaska mining industry that has persisted during the postwar...returns from the exploitation of bonanza placer mining, which are so favorable to local communities, are...improved mining methods. However, in practice these methods require the services of mining engineers |
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| MINERAL RESOURCES OF ALASKA, 1914. By ALFRED H. BROOKS and others. PREFACE. By ALFRED H. BROOKS. This...resources during 1914 and of the status of the mining industry in the Territory. It is the eleventh of...particular district are therefore urged to procure a copy of the complete report on that district as soon...statistical data is impaired by the fact that some of the mine operators, notably the placer miners, fail to report...production of many of the districts or to summarize the mining development. There are now nearly 450 operators |
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| Mendenhall, Director Bulletin 864 MINERAL RESOURCES OF ALASKA REPORT ON PROGRESS OF INVESTIGATIONS IN 1933 BY...separate publication] Page (A) Mineral industry of Alaska in 1933, by P. S. Smith_________ Selected list...publications on Alaska______ (B) The Willow Creek-Kashwitna district, by S. R. Capps and Ralph Tuck____...gold placer-mining operations___________________ 3. Sketch showing location of placer-mining claims on...on Long Creek, in the Ruby district___________________ 4. Sketch map of Cripple, Ophir, Tolstoi, Nixon |
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| THE FUTURE OF ALASKA MINING. By ALFRED H. BROOKS. OUTLINE. The Alaska mining industry, which has turned... but Alaska mines have also produced silver, platinum, palladium, tin, lead, antimony, tungsten, chromite...year to year, such as are more or less inherent to mining in remote regions. This advance was made in spite...output of Alaska up to over $48,632,000, a larger amount than that for any other year since mining began...world-wide depression of the gold-mining industry has also greatly affected Alaska. As a consequence the value |
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| SMITH, Director Bulletin 649 ANTIMONY DEPOSITS OF ALASKA BY ALFRED H. BROOKS WASHINGTON GOVERNMENT PRINTING................................................. Mining developments and production........................................ 1............... Fairbanks district. ................................................................................... Fredericks mine.......................................... Spaulding............ Eldorado Creek Mining Co ................................ Newsboy mine.................... |
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| MINERAL RESOURCES OF ALASKA, 1920. By ALFRED H. BROOKS and others. PREFACE. By ALFRED H. BROOKS. I )...investigation of the mineral resources of Alaska and treating of the mining industry of the Territory, especially...particular district should therefore procure a copy of the complete report on that district as soon as...data. Those who have thus aided include the many mine operators who have made reports on production as...692, 712, and 714. 5 6 MINERAL RESOURCES OF ALASKA, 1920. Director and other officers of the United |
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| LODE MINING AND PROSPECTING ON SEWARD PENINSULA. By J. B. MERTIE, Jr. INTRODUCTION. The lodes of Seward...most part undeveloped. The Big Hurrah mine, in the Solomon district, produced gold from 1903 to 1907 but...been made from the Sliscovich mine, on Manila Creek, in the Nome district, but these were more in the nature...development is still in the stage of prospecting. Lode mining of some of the semiprecious and base metals, however...largely undeveloped. Work has been done chiefly on tungsten, antimony, copper, tin, iron, zinc, silver-lead |
