Nierhake Surveying 140 Via Vaqueros Martinez, CA. 94553 PH 925.228.6010 FAX 925.228.5924 EMAIL: nierhake@nierhakesurveying.com WEB: www.nierhakesurveying.com Owner: Mike Nierhake, PLS 7271 BS Surveying Engineering Specializing in boundary and topographic surveys. Serving Contra Costa County, CA.