Wisconsin
Department of Safety and Professional Services
Hefner, Rene G
Professional Geologist
License number
761-13
Date granted
03/05/1996
Date expires
07/31/2016
Class
Professional Geologist
Status
Active
wisconsinlicensing.org
ID 35571781
LAST UPDATED 2026-06-14 22:17:05 UTC
LAST UPDATED 2026-06-14 22:17:05 UTC
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