Structure of the Berea Oil Sand in the Flushing Quadrangle, Harrison, Belmont, and Guernsey Counties, Ohio, Issues 346-350 |
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50 feet Auxier belt bodies Branch Bulletin calcite chalcopyrite clay coal coal bed Coast Range Coke containing copper country rock crosscut developed Devonian diabase dikes east Elkhorn Creek epidote exposed fault feet elevation feet in length feet in width feet thick field formation fossils galena gangue garnet geologic gold granite granodiorite greenstone head inches thick inclosing intrusive Ketchikan laminated coal Lee conglomerate limestone located lode Lower Elkhorn coal magnetite marble Marrowbone Creek masses McClure Creek metamorphism miles Millard mineral mining mouth Nest River northwest occur open cuts outcrop Pound River Prince of Wales prospects pyrite pyrrhotite quartz quartz vein region reported ridge Russell Fork sandstone Sandy schists shaft shale shows side slates solid coal southeastern Alaska sphalerite striking sulphide surface tide water tunnel Upper Banner Upper Elkhorn coal vein deposits Wales Island Wrangell districts
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Page 200 - Portland cement. — Portland cement is produced by burning a finely ground artificial mixture containing essentially lime, silica, alumina, and iron oxide in certain definite proportions. Usually this combination is made by mixing limestone or marl with clay or shale, in which case the mixture should contain about three parts of the lime carbonate to one part of the clayey materials.
Page 21 - The two latter lie without the region under discussion, and will not be further considered. The so-called Coast range extends from near the boundary of Washington northward through British Columbia into southeastern Alaska.
Page v - No. 259. 1905, pp. 172-185. Geology and coal resources of Cape Lisburne region, Alaska, by AJ Collier. Bulletin No. 278, 1906, 54 pp. Topographic maps. Fort Yukon to Kotzebue Sound, reconnaissance map of; scale, 1:1200000: by DL Reaburn.
Page iv - Reconnaissances in the Cape Nome and Norton Bay regions, Alaska, in 1900,
Page v - The gold placers of parts of Seward Peninsula, Alaska, including the Nome, Council, Kougarok, Port Clarence, and Goodhope precincts, by AJ Collier, FL Hess, PS Smith, and AH Brooks. Bulletin 328, 1908, 343 pp.
Page 101 - Little Fork, Brush Fork, and Critches Creek, and in this district the acreage of cannel coal is not large, owing to its position very near the hilltops. It is, however, a valuable cannel coal, which will be worked in the future when cheaper transportation facilities are obtainable. CAT CREEK COAL (NO. 5). Extent and development. — The next lower coal is the most important coal in this district. It reaches its greatest thickness along Dry and Caney forks and Cherokee Creek and in the hilltops northwest...
Page 19 - Conemaugh beds and it foots up 593 feet 2 inches from the base of the Pittsburg coal to the top of the Upper Freeport seam, which in this hole was found in 641 3 642 9 Depth.
Page 89 - Losmalmgow cnnnel coal, represented by 100 (calculated on the basis of production of 13.000 cubic feet of pas and 1,535.5 pounds of sperm per ton. and having regard also to the value of secondary products and the cost of purification of the gas), the coal is equal to 111.23.
Page v - TG Gerdine. Seward Peninsula, northwestern portion of, topographic reconnaissance of; scale, 1:250000; by TG Gerdine. Seward Peninsula, southern portion of, topographic reconnaissance of; scale, 1:250000; by TG Gerdine. In preparation. Water-supply investigations in Alaska, 1906 and 1907, by FF Henshaw and CC Covert.
Page iii - ... Alaska, by S. Paige and A. Knopf. Bulletin No. 327, 1907, 71 pp. Topographic maps. Kenai Peninsula, northern portion; scale, 1:250000; by EG Hamilton. Contained in Bulletin No. 277. Not published separately. Reconnaissance map of Matanuska and Talkeetna region; scale, 1:250000; by TG Gerdine and KH Sargent.