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Wednesday, May 23 • 2:00pm - 2:15pm
Update to Washington Coordinate System

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The Future of Washington State Plane Coordinates: Where did my monuments go and why?” Update to RCW 58.20 concerning the existing North and South Zones, and the addition of a new Statewide Lambert Zone.

How this all fits in with the National Geodetic Surveys proposed datum North American Terrestrial Reference Frame (NATRF2022). We will also cover the revision to the new vertical component and how gravity along with GPS were used to redefine the Geoid.


Patrick J. Beehler

PATRICK J. BEEHLER, P.L.S., CFedS Mr. Beehler has over 50 years of experience as a Land Surveyor, both in the public and the private sector. He began his surveying career in 1967 with the Department of Natural Resources on a survey crew retracing and restoring General Land Office... Read More →

Wednesday May 23, 2018 2:00pm - 2:15pm AKDT