Wisconsin
Department of Safety and Professional Services
Johnston, David K
Professional Geologist
License number
10-13
Date granted
10/21/1994
Date expires
07/31/2016
Class
Professional Geologist
Status
Active
wisconsinlicensing.org
ID 35571062
LAST UPDATED 2024-03-06 16:05:07 UTC
LAST UPDATED 2024-03-06 16:05:07 UTC
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