Dissolved radon and uranium, and ground-water geochemistry in an area near Hylas, Virginia /
by Mark R. Stanton ... [et al.].
- Washington : Denver, CO : U.S. G.P.O. ; For sale by USGS Information Services, 1996.
- iv, 23 p. : ill., map ; 28 cm.
- U.S. Geological Survey bulletin ; 2070 .