Pennsylvania
Department of State
THOMAS J O'BRIEN
Professional Geologist
License number
PG002588G
Date granted
11/14/1995
Date expires
09/30/2017
Class
Professional Geologist
Status
Active
Address
PHILADELPHIA PA 19131
palicensing.org
ID 16580695
LAST UPDATED 2026-03-19 16:04:44 UTC
LAST UPDATED 2026-03-19 16:04:44 UTC
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