Wisconsin
Department of Safety and Professional Services
Christiansen, David J
Professional Geologist
License number
331-13
Date granted
11/16/1995
Date expires
07/31/2016
Class
Professional Geologist
Status
Active
wisconsinlicensing.org
ID 35571365
LAST UPDATED 2026-06-03 01:44:30 UTC
LAST UPDATED 2026-06-03 01:44:30 UTC
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