Occurrence of uranium and p222sradon in glacial and bedrock aquifers in the northern United States, 1993-2003 [electronic resource] / by Joseph D. Ayotte, Sarah M. Flanagan, and William S. Morrow.
Imprint
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2007.
Mode of access: Internet from the USGS web site. Address as of 11/10/08: http://pubs.usgs.gov/sir/2007/5037/pdf/SIR2007-5037.pdf; current access available via PURL.
Note
Title from title screen (viewed on Nov. 10, 2008).