Gary J. Halbert, CEG, CH, REA
Principal Engineering Hydrogeologist/Geologist
State of California, Certified Hydrogeologist, CH 239
State of California, Certified Engineering Geologist, CEG 1318
State of California, Professional Geologist, RG 4189
State of California, Registered Environmental Assessor, REA 871

Craig C. Chase, P.G., C.E.G.
Principal Geologist
State of California, Professional Geologist, 7045
State of California, Certified Engineering Geologist, 2225
State of Arizona, Professional Geologist, 36526
State of Oregon, Registered Geologist, G1952

Frank Bostrom, A. I. A.
Architect