Bulletin, 325-329. sayılarU.S. Government Printing Office, 1949 |
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100 sonuçtan 1-5 arası sonuçlar
Sayfa 9
... valley to the lower plateau levels . The Arkansas Valley province , comprising a belt about 50 miles wide , in which the coal fields are situated , lies south of the Boston Mountains , and is characterized by elevations averaging not ...
... valley to the lower plateau levels . The Arkansas Valley province , comprising a belt about 50 miles wide , in which the coal fields are situated , lies south of the Boston Mountains , and is characterized by elevations averaging not ...
Sayfa 36
... Valley to break away from it . Where one part of the earth's crust is raised up higher than an adjoining part , the beds at the two levels must , either bend or break . A flexure produced in this way is described as a monocline or mono ...
... Valley to break away from it . Where one part of the earth's crust is raised up higher than an adjoining part , the beds at the two levels must , either bend or break . A flexure produced in this way is described as a monocline or mono ...
Sayfa iii
... Valley quadrangles , Pennsylvania , by Charles Butts . 1906. 198 pp . , 11 pls . B 280. The Rampart gold placer region , Alaska , by L. M. Prindle and F. L. Hess . 1906. 54 pp . , 7 pls . ( Out of stock . ) B 282. Oil fields of the ...
... Valley quadrangles , Pennsylvania , by Charles Butts . 1906. 198 pp . , 11 pls . B 280. The Rampart gold placer region , Alaska , by L. M. Prindle and F. L. Hess . 1906. 54 pp . , 7 pls . ( Out of stock . ) B 282. Oil fields of the ...
Sayfa iv
... Valley , Puente Hills , and Los Angeles oil districts , southern California , by G. H. Eldridge and Ralph Arnold ... Valley in northeastern Nebraska , by G. E. Condra . 1908. - pp . , 11 pls . WS 216. Geology and water resources of the ...
... Valley , Puente Hills , and Los Angeles oil districts , southern California , by G. H. Eldridge and Ralph Arnold ... Valley in northeastern Nebraska , by G. E. Condra . 1908. - pp . , 11 pls . WS 216. Geology and water resources of the ...
Sayfa v
... Valley , South Dakota , by J. E. Todd and C. M. Hall . 1904. 47 pp . , 23 pls . PP 25. The copper deposts of the Encampment district , Wyoming , by A. C. Spencer . 1904 . 2 pls . ( Out of stock . ) 107 pp . PP 26. Economic resources of ...
... Valley , South Dakota , by J. E. Todd and C. M. Hall . 1904. 47 pp . , 23 pls . PP 25. The copper deposts of the Encampment district , Wyoming , by A. C. Spencer . 1904 . 2 pls . ( Out of stock . ) 107 pp . PP 26. Economic resources of ...
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Sık kullanılan terimler ve kelime öbekleri
Alaska Arkansas auriferous average basin beach beam bed rock bench Bendeleben Mountains boiler efficiency bowlders Cape Nome carbon cent Chickaloon chloritic clay clinker coal bed coal field coastal plain Collier combustion-chamber temperature creek bed curve deposits district ditch Drill hole dry coal east efficiency 72 fault feet thick formation Fort Smith fossils furnace Geological Survey geology granite gravel greenstone Gulch Hartshorne hydrogen inches Kigluaik Kigluaik Mountains Kougarok limestone lower Matanuska Matanuska River material miles mineral mining Mountains mouth Neuropteris Niukluk River Nome group Norton Bay Norton Bay regions Number of tests Ophir Creek outcrop pay streak placer gold Port Clarence pound of combustible pounds of dry probably quartz ratio reconnaissance reported River sample sand sandstone schist Seward Peninsula shaft Shale Shale roof shows slope Spadra stream surface tion tributary U. S. Geol upper valley veins
Popüler pasajlar
Sayfa 19 - These pats, to satisfactorily pass the requirements, shall remain firm and hard and show no signs of distortion, checking, cracking, or disintegrating.
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Sayfa 20 - All tests shall be made in accordance with the methods proposed by the Committee on Uniform Tests of Cement...
Sayfa vi - The interaction between minerals and water solutions, with special reference to geologic phenomena, by EC Sullivan.
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Sayfa viii - Butts. 1906. 198 pp., 11 pis. B 280. The Rampart gold placer region, Alaska, by LM Prindle and FL Hess. 1906.
Sayfa 19 - Pats of neat cement about 3 inches in diameter, \ inch thick at the center, and tapering to a thin edge, shall be kept in moist air for a period of 24 hours. " (a) A pat is then kept in air at normal temperature and observed at intervals for at least 28 days.
Sayfa 7 - Concrete and Reinforced Concrete was formed by the union of Special Committees appointed in 1903 and 1904 by the American Society of Civil Engineers, the American Society for Testing Materials, the American Railway Engineering...