10/13/13, Spearfish, SD., PRM-9000, Average 47 CPM

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Spearfish, SD ~ Altitude 3,648 feet ~ Geiger Counter PRM-9000
Elapsed Minutes 507 ~ Total Counts 24,067
Average CPM 47
Minimum CPM 29
Maximum CPM 67

Beginning time 10/13/13 05:01:06 AM
Ending time 10/13/13 01:27:59 PM EST

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