Editorials From the PLSO Chair, by Scott Freshwaters, PLS, PLSO Chair of the Board 2 From the PLSO Office, by Aimee McAuliffe, PLSO Executive Secretary 4 Featured Articles The Riparian Boundary Challenge, by Dr. Richard L. Elgin, PS, PE 6 Claude Mansfield, by Chuck Whitten, PLS 10 Mark. E Boyden, by Darren Goheen, PLS 13 Columns The Lost Surveyor, by Pat Gaylord, PLS 14 Surveyors in the News, by Pat Gaylord, PLS 18 On the Cover 3D laser scanning below river level at The Dalles Dam navigation lock. Photo courtesy of John Blaikie. The Oregon Surveyor is a publication of the Professional Land Surveyors of Oregon (PLSO). It is provided as a medium for the expression of individual opinions concerning topics relating to the Land Surveying profession. Address changes & business All notifications for changes of address, membership inquiries, and PLSO business correspondence should be directed to Aimee McAuliffe, PO Box 230548, Tigard, OR 97281; 503-303-1472; execdirector@plso.org. Editorial matters & contributions of material The Oregon Surveyor welcomes your articles, comments, and photos for publication. PLSO assumes no responsibility for statements expressed in this publication. Editorial matters should be directed to Vanessa Salvia, vsalvia@gmail.com. Advertising policy Advertising content and materials are subject to approval of the PLSO Board and LLM Publications. The publisher reserves the right to reject any advertising that simulates copy; material must be clearly marked as “Advertisement.” For advertising, contact: Ronnie Jacko, ronnie@llmpubs.com; 503-445-2234 A publication of the Professional Land Surveyors of Oregon Executive Secretary Aimee McAuliffe PO Box 230548 Tigard, OR 97281 503-303-1472 Toll-free: 844-284-5496 execdirector@plso.org www.plso.org Published by LLM Publications 503-445-2220 www.llmpubs.com Advertising Ronnie Jacko, ronnie@llmpubs.com Design Hope Sudol © 2024 LLM Publications Editor Vanessa Salvia Publications Committee Tim Kent, Interim Chair Pat Gaylord Contents Professional Land Surveyors of Oregon Professional Land Surveyors of Oregon @ORLandSurveyors The Oregon Vol. 47, No. 3 May/June 2024
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