Pennsylvania
Department of State
JOHN CALVIN ROBERTS
Professional Geologist
License number
PG003992
Date granted
05/16/2003
Date expires
09/30/2017
Class
Professional Geologist
Status
Active
Address
Waukesha WI 53188
palicensing.org
ID 16581531
LAST UPDATED 2026-04-10 16:27:29 UTC
LAST UPDATED 2026-04-10 16:27:29 UTC
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