United States Geological Survey Yearbook |
From inside the book
Results 1-5 of 5
Page 32
Copper content in the trend 2 group is as much as one - half to one - third lower
than it is in rocks of virtually identical ... These contrasting trends AERIAL
PROFILING OF TERRAIN SYSTEM • The U.S. Geological Survey has developed
an ...
Copper content in the trend 2 group is as much as one - half to one - third lower
than it is in rocks of virtually identical ... These contrasting trends AERIAL
PROFILING OF TERRAIN SYSTEM • The U.S. Geological Survey has developed
an ...
Page 89
A major purpose of both the Bench - Mark and NASQAN Networks is to detect
trends in the concentrations of water - quality constituents . The problem of
separating man - induced changes in water quality from the natural variability that
results ...
A major purpose of both the Bench - Mark and NASQAN Networks is to detect
trends in the concentrations of water - quality constituents . The problem of
separating man - induced changes in water quality from the natural variability that
results ...
Page 90
Trends in sulfate concentrations and in sulfur dioxide emissions at Hydrologic
Bench - Mark stations . Arrows on the map point upward or downward to indicate
the trend in sulfate concentrations . Dots indicate no significant trends detected .
Trends in sulfate concentrations and in sulfur dioxide emissions at Hydrologic
Bench - Mark stations . Arrows on the map point upward or downward to indicate
the trend in sulfate concentrations . Dots indicate no significant trends detected .
Page 91
Trends in Suspended Sediment at National Stream Quality Accounting Network
Stations years at Bench - Mark stations . Figure 3 also shows the direction of
change in sulfur dioxide emissions ( compiled by the U.S. Environmental
Protection ...
Trends in Suspended Sediment at National Stream Quality Accounting Network
Stations years at Bench - Mark stations . Figure 3 also shows the direction of
change in sulfur dioxide emissions ( compiled by the U.S. Environmental
Protection ...
Page 92
Because of its importance , an analysis of trends in suspended sediment
concentration has been made at those NASQAN stations that have sufficient long
- term sediment data ( R. A. Smith and R. B. Alexander , written communication ,
1984 ) ...
Because of its importance , an analysis of trends in suspended sediment
concentration has been made at those NASQAN stations that have sufficient long
- term sediment data ( R. A. Smith and R. B. Alexander , written communication ,
1984 ) ...
What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
Common terms and phrases
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 |