The USGS geologic radon potential books are organized by region, with individual chapters for each state. To order, ask for USGS Open-File Report (OFR) 93-292 and add a letter to designate the region as follows:
1......CT,MA,ME,NH,RI,VT..........OFR 93-292-A......$37.25
2......NJ,NY......................OFR 93-292-B......$20.25
3......DE,MD,PA,VA,WV.............OFR 93-292-C......$31.50
4......AL,FL,GA,KY,MS,NC,SC,TN....OFR 93-292-D......$41.75
5......IL,IN,MI,OH,MN,WI..........OFR 93-292-E......$29.75
6......AR,LA,NM,OK,TX.............OFR 93-292-F......$24.50
7......IA,KS,MO,NE................OFR 93-292-G......$22.50
8......CO,MT,ND,SD,UT,WY..........OFR 93-292-H......$28.25
9......AZ,CA,HI,NV................OFR 93-292-I......$21.75
10.....AK,ID,OR,WA................OFR 93-292-J......$22.50
11.....Guam, Puerto Rico..........OFR 93-292-K......$13.50
The USGS geologic radon potential reports are available from:
U.S. Geological Survey
Earth Science Information Center
P.O. Box 25046, Building 810
Denver Federal Center, MS 504
Denver, CO 80225-0046
phone: 1-888-ASK-USGS
or contact any USGS Earth Science Information Center.