Pennsylvania
Department of State
MATHEW A JEFFERS
Professional Geologist
License number
PG004952
Date granted
12/13/2010
Date expires
09/30/2015
Class
Professional Geologist
Status
Active
Address
PERKIOMENVILLE PA 18074
palicensing.org
ID 16581913
LAST UPDATED 2026-05-03 01:11:11 UTC
LAST UPDATED 2026-05-03 01:11:11 UTC
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