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USGS - science for a changing world

South Dakota Water Science Center

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USGS IN YOUR STATE

USGS Water Science Centers are located in each state.

There is a USGS Water Science Center office in each State. Washington Oregon California Idaho Nevada Montana Wyoming Utah Colorado Arizona New Mexico North Dakota South Dakota Nebraska Kansas Oklahoma Texas Minnesota Iowa Missouri Arkansas Louisiana Wisconsin Illinois Mississippi Michigan Indiana Ohio Kentucky Tennessee Alabama Pennsylvania West Virginia Georgia Florida Caribbean Alaska Hawaii New York Vermont New Hampshire Maine Massachusetts South Carolina North Carolina Rhode Island Virginia Connecticut New Jersey Maryland-Delaware-D.C.

USGS Black Hills Hydrology Study Area

Three graphs showing long-term trends. Graph A shows annual precipitation relative to the long-term average of 18.61 inches. Graph B shows annual departures. Graph C shows cumulative departures.

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Page Last Modified: Wednesday, 09-Jan-2013 11:01:17 EST