Pennsylvania
Department of State
DONALD W HOLLENBAUGH
Professional Geologist
License number
PG001075G
Date granted
09/29/1994
Date expires
09/30/2011
Class
Professional Geologist
Status
Expired
Address
PARMA OH 44134
palicensing.org
ID 16579363
LAST UPDATED 2026-06-18 00:55:54 UTC
LAST UPDATED 2026-06-18 00:55:54 UTC
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