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 2026-06-26 12:47:02 UTC
LAST UPDATED 2026-06-26 12:47:02 UTC
This website is unaffiliated with the Department of State. Please verify all information directly with the relevant official government authority.