 | United States. National Conservation Commission - 1909 - 870 páginas
...457.5 5,115 4,303 100 000 432 5 4,493 Arctic slope 4,535,600,000 312.2 3,059 Grand total 15,104.500,000 1,202.2 12,667 The incompleteness of these figures...Valley are underlain by coal beds, as may be the case, it will increase the tonnage of this field many times that used in the present estimate. In the Cook... | |
 | United States. National Conservation Commission - 1909 - 862 páginas
...2 5,115 4,493 3,059 15,104.500,0(10 1 . 202. 2 12,C«7 EEPOBT OF NATIONAL. CONSERVATION COMMISSION. The incompleteness of these figures can best be illustrated...Valley are underlain by coal beds, as may be the case, it will increase the tonnage of this field many times that used in the present estimate. In the Cook... | |
 | William R. Calvert - 1909 - 556 páginas
...5 & 115 4. 7m, 100, 000 432.5 4,493 4, 535, 1100, 000 312.2 3 059 1.1, in4,.r>00,000 1,202.2 12 667 The incompleteness of these figures can best be illustrated...Valley are underlain by coal beds, as may be the case, it will increase the tonnage of this field many times that used in the present estimate. In the Cook... | |
 | Geological Survey (U.S.) - 1909 - 248 páginas
...535 600 000 312 2 3 059 15 104,500,000 1 202 2 12,667 The incompleteness of these figures can best he illustrated by some examples. The Bering River field...Valley are underlain by coal beds, as may be the case, it will increase the tonnage of this field many times that used in the present estimate. In the Cook... | |
 | Geological Survey (U.S.) - 1911 - 742 páginas
...694.5 6,677 Summary by provinces: Pacific coast 457.5 5,115 432.5 4,493 312 2 3.059 1,202.2 12,607 The incompleteness of these figures can best be illustrated...used in the present estimate. In the Cook Inlet and Susitna regions the estimates for area are based on a coal field of 30 to 40 square miles. As a matter... | |
 | William McInnes, Donaldson Bogart Dowling, W. W. Leach - 1913 - 408 páginas
...indicating the minimum coal-bearing areas which may, in the generations to come, be drawn upon for fuel. The incompleteness of these figures can best be illustrated...extensions of the Matanuska valley are underlain by coal-beds, as may be the case, the actual area of this field is many times that used in the present... | |
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The incompleteness of these figures can best be illustrated by some examples. The Bering River field may be extended into the mountains and have many times its present known area. If the entire eastern and western extensions of the Matanuska Valley are... 