 | Geological Survey (U.S.) - 1902 - 1002 lapas
...grain that commonly occur is exceedingly slow, and much less than might at first be supposed. Darton states that the rate of flow in the sands of the Dakota...Dakota draw their supply, does not exceed a mile or two a year." Mr. EL Rogers reported to the Denver society of civil engineers* that American. estimates... | |
 | Robert Burton Buckley - 1911 - 438 lapas
...grain that commonly occur, is exceedingly slow, and much less than might at first be supposed. Darton states that the rate of flow in the sands of the Dakota...Dakota draw their supply, does not exceed a mile or two a year. Mr. EL Rogers reported . that American estimates agree with careful and exhaustive studies... | |
 | Wisconsin Geological and Natural History Survey - 1915 - 714 lapas
...building purposes. Darton2 estimates the rate of flow of water in the sands of the Dakota sandstone, from which the remarkable artesian wells of South Dakota draw their supply as not exceeding a mile or two a year. It is very probable that in the Wisconsin sandstones the velocity... | |
 | Wisconsin Geological and Natural History Survey - 1915 - 716 lapas
...building purposes. Darton2 estimates the rate of flow of water in the sands of the Dakota sandstone, from which the remarkable artesian wells of South Dakota draw their supply as not exceeding a mile or two a year. It is very probable that in the Wisconsin sandstones the velocity... | |
 | Samuel Weidman, Alfred Reginald Schultz - 1915 - 706 lapas
...building purposes. Dartoir estimates the rate of flow of water in the sands of the Dakota sandstone, from which the remarkable artesian wells of South Dakota draw their supply as not exceeding a mile or two a year. It is very probable that in the Wisconsin sandstones the velocity... | |
 | Robert Burton Buckley - 1920 - 654 lapas
...grain that commonly occur, is exceedingly stow, and much less than might at first be supposed." Darton states that the rate of flow in the sands of the Dakota...Dakota draw their supply, does not exceed a mile or two a year. Mr. EL Rogers reported . that American estimates agree with careful and exhaustive studies... | |
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Darton states that the rate of flow in the sands of the Dakota formation, from which the remarkable artesian wells of South Dakota draw their supply, does not exceed a mile or two a year. 