In 2007 Pickworth Cartography was tasked by Alpine Ocean Seismic Survey to assist with the production of final deliverable maps for the proposed Trans Bay Cable, running from Pittsburg, CA to San Francisco, CA. The maps combined data from bathymetric, topographic, geotechnical, and utility surveys.
Trans Bay Cable Route Survey
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Recent Testimonials

“I found Darryl through a random recommendation from a Bend {oregon} printing company. From the first time I contacted him he was straightforward and extremely timely on the handling of the mapping project that I was struggling to even find someone, let alone a great guy like Darryl. His work was accurate, his concern was genuine, his pricing was fair and I would definitely use Darryl next time I am designing a unique mapping project”

Senior Hydrographer
SEAHORSE Geomatics
I have worked with Darryl of Pickworth Cartography since 2005 on various Hydrographic and Marine Engineering projects. Darryl provides thorough, detail-oriented support of bathymetric data processing management and ensures all cartographic final deliverables meet project requirements and are at the leading edge of industry professionalism. SEAHORSE Geomatics will most certainly seek the expertise of Pickworth Cartography for all future projects.