Wisconsin
Department of Safety and Professional Services
Brettmann, Gregg A
Professional Geologist
License number
845-13
Date granted
04/11/1996
Date expires
07/31/2010
Class
Professional Geologist
Status
Expired
wisconsinlicensing.org
ID 35571862
LAST UPDATED 2026-06-13 09:41:51 UTC
LAST UPDATED 2026-06-13 09:41:51 UTC
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