United States Geological Survey Yearbook |
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Page 14
The rate of retreat has accelerated , from an average of 130 feet per year from
1976 to 1981 to 600 feet per year from 1981 to 1983 to 1,560 feet from 1983 to
1984 , referenced to the July 1 position each year ( fig . 2 ) . From July to
midAugust ...
The rate of retreat has accelerated , from an average of 130 feet per year from
1976 to 1981 to 600 feet per year from 1981 to 1983 to 1,560 feet from 1983 to
1984 , referenced to the July 1 position each year ( fig . 2 ) . From July to
midAugust ...
Page 15
1000 500 1974 1981 1984 sea level Altitude , in feet 0 Doel -500 0 0 moraine
shoal • 1000 -1500 1.5 1.0 0.5 0 Distance from crest of shoal , in miles per day in
spite of a forward ice that during February and March flow of 39 feet per day , so
the ...
1000 500 1974 1981 1984 sea level Altitude , in feet 0 Doel -500 0 0 moraine
shoal • 1000 -1500 1.5 1.0 0.5 0 Distance from crest of shoal , in miles per day in
spite of a forward ice that during February and March flow of 39 feet per day , so
the ...
Page 94
20 FEET BELOW SEA LEVEL. sote per month and a similar quantity of PCP .
Data collected at the site indicate that the ground - water contamination is
confined to a volume generally less than 90 feet in depth ( fig . 6 ) and extending
less than ...
20 FEET BELOW SEA LEVEL. sote per month and a similar quantity of PCP .
Data collected at the site indicate that the ground - water contamination is
confined to a volume generally less than 90 feet in depth ( fig . 6 ) and extending
less than ...
Page 98
The measured inflow during that period , which accounts for more than 90
percent of the total from the three tributaries , was about 3.1 million acrefeet in the
Bear River , 923,000 acre - feet in the Weber River , and over 1.2 million acre -
feet in ...
The measured inflow during that period , which accounts for more than 90
percent of the total from the three tributaries , was about 3.1 million acrefeet in the
Bear River , 923,000 acre - feet in the Weber River , and over 1.2 million acre -
feet in ...
Page 99
After 10,000 feet of movement , the plume is only about 75 feet thick , with a core
zone 20 to 30 feet thick where the contaminants remain at concentrations more
than one - fourth of what they are in the treated sewage . Microbiological
reactions ...
After 10,000 feet of movement , the plume is only about 75 feet thick , with a core
zone 20 to 30 feet thick where the contaminants remain at concentrations more
than one - fourth of what they are in the treated sewage . Microbiological
reactions ...
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activities addition Administration agencies Alaska analysis aquifer areas assessment Assistant associated basins Bldg Board Bureau California cartographic changes Chief City City of w coal collected Commission completed concentrations Conservation contaminants continued Control Cooperative County data base Department deposits distribution District District w Division earthquake energy Environmental eruption Federal feet Figure fiscal year 1984 flow geographic glacier ground water ground-water hazards hydrologic important increase International irrigation Lake land located major Management maps measured miles million mineral resources models National Center Natural needs North Office Operations organic Planning potential prepared present problems production Public quadrangle range record Regional reports River rocks scientific scientists selected Service showing sources stations STOP studies supplies surface techniques tion Transportation trends types U.S. Geological Survey understanding United waste Water Resources zone
Bibliographic information
| Title | United States Geological Survey Yearbook |
| Author | Geological Survey (U.S.) |
| Publisher | The Survey, 1985 |
| Original from | Indiana University |
| Digitized | 10 Dec 2012 |
| Export Citation | BiBTeX EndNote RefMan |