Open-File Report 2007-1231
U.S. GEOLOGICAL SURVEY
Open-File Report
By Ralph L. Seiler
Current version and date of current release: 1.10 April 24, 2008
Version 1.10 - April 2008
Polonium values for 9 samples in table 2 were recalculated to sampling time.
A polonium value for a filtered sample had inadvertently not been included and has been added.
Tables 1 and 2 have been modified to show whether samples were filtered or unfiltered.
The depth of one well was updated based on new information.