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Occurrence of uranium and p222sradon in glacial and bedrock aquifers in the northern United States,

Ayotte, Joseph D.
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2007. 2007

Rock-bound arsenic influences ground water and sediment chemistry throughout New England

Robinson, Gilpin R., Jr.
Reston, Va. : U.S. Geological Survey, 2007. 2007

Trace elements and radon in groundwater across the United States, 1992-2003

Ayotte, Joseph D.
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2011] 2011