ExpertPages Credential Verification Share Expert Credentials Clearwater Group - James Jacobs 227 Tewksbury Ave, Pt. Richmond, CA 94801 Date Verified Credential Description Verified 2014-07-03 Professional Geologist (PG, RG)- CA, WA, AZ, OR, PA, AK, ID, WY 2014-07-03 Certified Hydrogeologist (CA, WA) 2014-07-03 Cert. Prof. Geol; Cert. Petroleum Geologist 2014-07-07 Principal Geologist/Contractor- Clearwater Group For more information regarding the credentialing process, please Click Here. To return to the listing, please Click Here.