United States Geological Survey YearbookThe Survey, 1986 - Geology |
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Page 2
... feet above the water table . Two trenches were constructed above the existing land surface ( like a raised bed ) in fill consisting of compacted soil . Trenches ranged in length from 35 to 580 feet , in width from 8 to 70 feet , and in ...
... feet above the water table . Two trenches were constructed above the existing land surface ( like a raised bed ) in fill consisting of compacted soil . Trenches ranged in length from 35 to 580 feet , in width from 8 to 70 feet , and in ...
Page 4
... feet in size . Two of the small plots were located on trench covers , and two were in the undisturbed basin . Mean annual surface runoff from the waste disposal site averaged 8 inches from July 1982 through June 1984 , in comparison ...
... feet in size . Two of the small plots were located on trench covers , and two were in the undisturbed basin . Mean annual surface runoff from the waste disposal site averaged 8 inches from July 1982 through June 1984 , in comparison ...
Page 5
... feet in diameter and approximately 400 feet long was constructed beneath 4 waste trenches ( fig . 6 ) . Instruments included soil - moisture tensiometers , piezometers extending through the tunnel floor to the saturated zone , soil ...
... feet in diameter and approximately 400 feet long was constructed beneath 4 waste trenches ( fig . 6 ) . Instruments included soil - moisture tensiometers , piezometers extending through the tunnel floor to the saturated zone , soil ...
Page 6
... feet per year ) have been measured . Tritium , in addition to having been detected in several wells both onsite and offsite , has been detected in seeps along the edge of a strip - mine lake east of the site ( fig . 2 ) . Water ...
... feet per year ) have been measured . Tritium , in addition to having been detected in several wells both onsite and offsite , has been detected in seeps along the edge of a strip - mine lake east of the site ( fig . 2 ) . Water ...
Page 30
... feet below the water table are mostly less than detectable . In between , in the range of 20 to 200 feet below the water table , there appears to be a selenium - rich zone that probably narrows in thickness from P4 to P1 . In addition ...
... feet below the water table are mostly less than detectable . In between , in the range of 20 to 200 feet below the water table , there appears to be a selenium - rich zone that probably narrows in thickness from P4 to P1 . In addition ...
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