TY  - RPRT
TI  - Radon in soils of parts of Cameron, Hidalgo, and Willacy Counties, Texas
AU  - Joseph S. Duval
PY  - 2005
DO  - 10.3133/ofr20051423
UR  - https://pubs.usgs.gov/publication/ofr20051423
ID  - ofr20051423
ER  -