Geologic Reconnaissance in the Matanuska and Talkeetna Basins, AlaskaU.S. Government Printing Office, 1907 - 71 sayfa |
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Sayfa 59
... methods of analysis are described in the reports of this plant . " The other analyses were gathered from a variety of sources . Nos . 4 , 8 , 10 , 12 , and 14 are based on duplicates of samples taken by Martin . The others are of varied ...
... methods of analysis are described in the reports of this plant . " The other analyses were gathered from a variety of sources . Nos . 4 , 8 , 10 , 12 , and 14 are based on duplicates of samples taken by Martin . The others are of varied ...
Sayfa 62
... methods of analysis were used ( see Bull . U. S. Geol . Survey No. 290 , 1906 , pp . 29-30 ) . Not determined . The coals represented by analyses 2 to 17 are near the border line between semibituminous steam coals ( as the name is ...
... methods of analysis were used ( see Bull . U. S. Geol . Survey No. 290 , 1906 , pp . 29-30 ) . Not determined . The coals represented by analyses 2 to 17 are near the border line between semibituminous steam coals ( as the name is ...
Sayfa 63
... method of stoping must be used . Miners who are accustomed to the steep dips in some of the coal mines of Washing ... methods , or tunnels across the measures from the upper floor of Mata- nuska Valley , will probably have to be used ...
... method of stoping must be used . Miners who are accustomed to the steep dips in some of the coal mines of Washing ... methods , or tunnels across the measures from the upper floor of Mata- nuska Valley , will probably have to be used ...
Sayfa 66
... methods have been in use , 900 feet of the creek has been worked out . Pay aver- ages 200 feet in width with a depth from 2 to 3 feet . The gold is coarse and rough , and assays at the mint $ 16.58 per ounce . Very little black sand is ...
... methods have been in use , 900 feet of the creek has been worked out . Pay aver- ages 200 feet in width with a depth from 2 to 3 feet . The gold is coarse and rough , and assays at the mint $ 16.58 per ounce . Very little black sand is ...
Sayfa 67
... methods and may be worked at far lower cost than gravels situated at the level of present stream drainage . NELCHINA RIVER . Two prospectors from Copper Center , who were met in the head- water country of the Nelchina and Tyonek rivers ...
... methods and may be worked at far lower cost than gravels situated at the level of present stream drainage . NELCHINA RIVER . Two prospectors from Copper Center , who were met in the head- water country of the Nelchina and Tyonek rivers ...
Sık kullanılan terimler ve kelime öbekleri
Alaska andesite Anvil Creek basin beach beam bed rock bench Bendeleben Mountains bowlders Brooks Bull Cape Nome cement cent channel Chickaloon Chickaloon Creek chloritic claims clay coal coarse coastal plain Collier concrete conglomerate contain creek bed district ditch east elevation erosion feet thick Geological Survey geology Glacier gold placers granite graphitic gravel greenstone Gulch inches intrusive Iron Creek Jurassic Kenai Kigluaik Mountains Knik Knik River Kougarok Kuzitrin Kuzitrin River limestone lower Matanuska Matanuska River material mica schist miles mineral mining Moffit mouth muck Niukluk Niukluk River Nome and Norton Nome group Nome River Norton Bay Norton Bay regions nuggets occur Ophir Creek pay streak pebbles placer gold Port Clarence probably reconnaissance reported sand sandstones schist Seward Peninsula Shale slates slopes sluice boxes special publication stream surface Susitna Talkeetna Mountains test pieces tributary U. S. Geol upper valley
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Sayfa 23 - ... no objection to the holding of orderly meetings for the discussion of ordinary business affairs, in any meeting held for the purpose of acting in district affairs no person is entitled to participate excepting claim holders. Any attempt so to participate by other persons is illegal, and the proper steps will be taken to prevent it. Decisions and orders of the civil courts will be supported by the entire power and authority of the United States troops. No persons will be allowed to carry firearms,...