Contact Info
GDA Engineering, Surveying, Planning
John Christofferson
220 Grand Avenue
Oroville, CA 95965
Phone: 530-533-2068
Fax: 530-533-3551
Contact via Email
About Us
Services include GPS, boundary resolution, determination and monumentation, A.L.T.A. surveys, topographic mapping surveys, subdivisions, municipal improvements, construction layout, right-of-way acquisition mapping, and legal descriptions. Since 1974.