Pennsylvania
Department of State
MARK T DUIGON
Professional Geologist
License number
PG002203G
Date granted
10/13/1995
Date expires
09/30/2013
Class
Professional Geologist
Status
Inactive
Address
STEWARTSTOWN PA 17363
palicensing.org
ID 16580384
LAST UPDATED 2026-03-17 15:14:09 UTC
LAST UPDATED 2026-03-17 15:14:09 UTC
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