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Alaska anticline arsenopyrite Barnesville Belmont County Bulletin calcareous Captina Creek Center Township cents Chinitna clay shale coal bed Cold Bay Controller Bay Cook Inlet copper deposits depth discharge district drilled east exposed exposures fault feet thick folds Fork gage geologic gold granite hills inches Jurassic Katalla Lake layers limestone limestone beds locality lode Lower Meigs Creek Lower Pittsburgh Malaga Township Meigs Creek coal miles mineral resources mining Naknek formation northeast occur Ohio outcrop petroleum Pittsburgh coal placer mines places probably prospect pyrite quantity quartz quartz veins railroad recorded region reported ridge River sample sand sandstone sandy shale schist second-feet seepages Seward Peninsula shaft shale shaly shore slate stibnite strata structure sulphides Sunfish Creek surface Survey Bull Temperanceville thin tributary Tuxedni U. S. Geol Uniontown Uniontown coal valley vicinity Washington coal Wayne Township Waynesburg coal Woodsfield Woodsfield quadrangle Yakataga zone
Seite xi - Bulletin 328, 1908, 343 pp. •Investigation of the mineral deposits of Seward Peninsula, by PS Smith. In Bulletin 345, 1908, pp. 206-250. 45 cents. Geology of the Seward Peninsula tin deposits, by Adolph Knopf. Bulletin 358, 1908, 72 pp.
Seite 13 - ... to be valuable. The figures given for the silver recovered from placer gold and from siliceous ores are probably less accurate than those for the gold. Copper mining did not begin in Alaska until 1901, and the figures for gold and silver derived from this industry, as now presented, are therefore a close approximation to the actual output.
Seite 106 - Bay and 1J miles below outlet of Little Salmon Lake. Two per cent of total drainage of Karta River enters between outlet of lake and gage. DISCHARGE MEASUREMENTS. — At medium and high stages made from cable across river 50 feet upstream from gage; at low stages by wading at cable section. CHANNEL AND CONTROL. — From Little Salmon Lake...
Seite iv - TOPOGRAPHIC MAPS. * Juneau gold belt, Alaska ; scale, 1 : 250,000 ; compiled. In 'Bulletin 287. 75 cents. Not issued separately. Juneau special (No. 581A) ; scale, 1 : 62,500 ; by WJ Peters. 10 cents retail or 6 cents wholesale. Berners Bay special (No. 581B) ; scale, 1:62,500; by RB Oliver. 10 cents retail or 6 cents wholesale.
Seite vi - TOPOGRAPHIC MAPS. Central Copper River region, reconnaissance map; scale, 1 : 250,000; by TG Gerdine. In *Professional Paper 41. 50 cents. Not issued separately. Headwater regions of Copper, Nabesna, and Chisana rivers, reconnaissance map; scale, 1:250,000; by DC Witherspoon, TG Gerdine, and WJ Peters. In •Professional Paper 41. 50 cents. Not issued separately. Controller Bay region (No.
Seite 106 - The area draining to Long River between Long Lake Outlet and this station comprises only 1.3 square miles, including First Lake and Second Lake. Because this area is at a low altitude and has no glaciers the run-off per square mile from it is greater early in the spring but much less in summer than that from the area above Long Lake, which is partly covered by glaciers. Discharge measurements of Long River below Second Lake, at Port Snettis)uim,dunng 1918.
Seite iii - The geology and ore deposits of Copper Mountain and Kasaan Peninsula, Alaska, by CW Wright. Professional Paper 87, 1915, 110 pp. Mining in the Juneau region .
Seite xii - In Water-Supply Paper 314. Not issued separately. Seward Peninsula, northeastern portion, reconnaissance map (No. 655); scale, 1 : 250,000; by DC Witherspoon and CE Hill. 50 cents each, or $30 a hundred.
Seite 83 - Maximum stage recorded, 5.33 feet November 1, 1917 (discharge, 4,600 second-feet); minimum stage, 0.50 foot, February 11, 1916 (discharge, 22 second-feet). ICE. — Lower Lake freezes over, but as gage is set back in the bank ice does not form in well, and the relatively warm water from the lake and the swift current keep the control open. ACCURACY. — Stage-discharge relation permanent.