Donn Albert Ristau
Torrance, CA
Geologist
Verified Active
About
Donn Albert Ristau holds a Geologist license in California. The credential is registered under license number 3634 and is currently active. It has been on record since 1981. Licensure is issued and verifiable through the California Board for Professional Engineers, Land Surveyors, and Geologists.
License Verification
License #
3634
Status
Active
State
CA
Expires
Aug 31, 2025
Board
California Board for Professional Engineers, Land Surveyors, and Geologists