Bulletin, 226-229호U.S. Government Printing Office, 1904 |
도서 본문에서
100개의 결과 중 1 - 5개
28 페이지
... rock masses and their relations to one another . To do this it is necessary to travel over the whole area and carefully plot all outcrops and ledges of rock . The dips of the rocks must be measured in order to determine the amount of ...
... rock masses and their relations to one another . To do this it is necessary to travel over the whole area and carefully plot all outcrops and ledges of rock . The dips of the rocks must be measured in order to determine the amount of ...
28 페이지
... rocks were made- is divided into several large parts called periods . Smaller time divi- sions are called epochs , and still smaller ones stages . The age of a rock is expressed by naming the time interval in which it was formed . The ...
... rocks were made- is divided into several large parts called periods . Smaller time divi- sions are called epochs , and still smaller ones stages . The age of a rock is expressed by naming the time interval in which it was formed . The ...
28 페이지
... rocks trust- worthy ideas may be obtained as to the climatic conditions of the past . It has been learned , for example , that Greenland and the northern countries which are now covered by perpetual snow and ice formerly had a warm ...
... rocks trust- worthy ideas may be obtained as to the climatic conditions of the past . It has been learned , for example , that Greenland and the northern countries which are now covered by perpetual snow and ice formerly had a warm ...
45 페이지
... rocks . The schist formations of the Tanana country were found to be similar to , and probably to belong to , the same horizon as the gold - bearing rocks of the upper Yukon . The regions which might prove of economic value for their ...
... rocks . The schist formations of the Tanana country were found to be similar to , and probably to belong to , the same horizon as the gold - bearing rocks of the upper Yukon . The regions which might prove of economic value for their ...
47 페이지
... rocks of Mesozoic age ; and as the rocks of the Colville area strike off toward Cape Lisburne , it is possible that the occurrences in the two areas are closely related . In 1902 the coal deposits of the Yukon were investigated and ...
... rocks of Mesozoic age ; and as the rocks of the Colville area strike off toward Cape Lisburne , it is possible that the occurrences in the two areas are closely related . In 1902 the coal deposits of the Yukon were investigated and ...
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30 degree Alaska apatite atlas sheets augite biotite boundary line Bull Bulletin calcite Carolina chlorite CO₂ coast Colorado commissioners Congress Contains plagioclase Contains quartz Contour corner County Creek degree of north division east epidote feldspar gabbro Geological Survey Georgia groundmass H₂O H₂O above 110 Henry Gannett HISTORICAL DIAGRAM hornblende hypersthene ilmenite intersection Island K₂O labradorite Lake lands magnetite main channel marked meridian middle miles mineral resources Mississippi River Missouri monument Mountain Na,O Na₂O north latitude northern boundary olivine orthoclase P₂O parallel of latitude phenocrysts plagioclase pyroxene quartz record reduced and form Rhyolite rocks rods scale sericite SiO2 sphene Tennessee Territory thence north thence same course TiO2 topographic maps trace MnO trace trace trace triangulation U. S. Geol undet United States Geological Vide Virginia W. F. Hillebrand Washington western boundary zircon
인기 인용구
42 페이지 - Woods and Mississippi. The middle State shall be bounded by the said direct line, the Wabash, from Post Vincents to the Ohio, by the Ohio, by a direct line drawn due north from the mouth of the Great Miami to the said territorial line, and by the said territorial line.
10 페이지 - Mississippi; thence by a line to be drawn along the middle of the said river Mississippi until it shall intersect the northernmost part of the thirty-first degree of north latitude.
30 페이지 - ... thence in a direct line to the same;) thence down the middle of the said branch and of the said river, until it empties into the Rio Colorado ; thence across the Rio Colorado, following the division line between Upper and Lower California, to the Pacific Ocean. The southern and western limits of New Mexico, mentioned in this article, are those laid down in the map entitled " Map of the United Mexican States...
40 페이지 - Virginia inclusive, all right, title and claim, as well of soil as of jurisdiction, which the said commonwealth hath to the territory or tract of country within the limits of the Virginia charter, situate, lying and being to the northwest of the river Ohio, to and for the uses and purposes, and on the conditions of the said recited act.
28 페이지 - Survey and the classification of the public lands and examination of the geological structure, mineral resources, and products of the national domain.
112 페이지 - Moines; thence, down, and along the middle of the main channel of the said river Des Moines, to the mouth of the same, where it empties into the Mississippi river; thence, due east, to the middle of the main channel of the Mississippi river; thence, down, and following the course of the Mississippi river, in the middle of the main channel thereof, to the place of beginning.
112 페이지 - That in all that Territory ceded by France to the United States, under the name of Louisiana, which lies north of Thirty-six degrees and thirty minutes north latitude, not included within the limits of the state contemplated by this act, slavery and involuntary servitude, otherwise than in the punishment of crimes whereof the parties shall have been duly convicted, shall be and is hereby forever prohibited.
99 페이지 - Coast to the northward, two hundred miles, and from the said point of Cape Comfort, all along the Sea Coast to the Southward, two hundred Miles, and all that Space and Circuit of Land, lying from the Sea Coast of the Precinct aforesaid...
78 페이지 - Bay, where the said river falleth into the sea; and on the north by the line of the Massachusetts plantation; and on the south by the sea; and in longitude as the line of the Massachusetts colony, running from east to west, that is to say, from the said Narraganset Bay on the east, to the south sea on the west part, with the islands thereunto adjoining...
23 페이지 - Majesty shall be continued westward along the said fortyninth parallel of north latitude to the middle of the channel which separates the continent from Vancouver's Island, and thence southerly through the middle of the said chanJO nel, and of Fuca's Straits, to the Pacific Ocean...