September October 2017

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 © 2017 LLM Publications Vol. 40, No. 5 Sep/Oct 2017 A publication of the Published by LLM Publications PO Box 91099 Portland, OR 97291 503-445-2220 • 800-647-1511 www.llmpubs.com Advertising Matthew Smith, matthew@llmpubs.com Design Benjamin Caulder, ben@llmpubs.com Professional Land Surveyors of Oregon Professional Land Surveyors of Oregon Publications Committee Greg Crites, PLS, Editor gac_work@hotmail.com Paul Galli • gallip@co.cowlitz.wa.us Chuck Wiley • charleswiley@gmail.com John Thatcher • johnsue648@gmail.com Surveyor Oregon The Editorials From the Editor , by Greg Crites , PLS 2 From the PLSO Chairman , by David Williams , PLS 4 From the PLSO Office, by Aimee McAuliffe 6 Articles Geodesy and a Horse Named El Diablo, by John Minor, PLS 8 Water Rights Quiz, by Brian Portwood, PLS 14 The “Trust Me” Syndrome, by Chuck Whitten, PLS 24 Scholarship Recipients 26 PLSO Awards Committee 27 Columns Oregon Young Surveyors Network, by Cleo Litowich , LSI 12 The Lost Surveyor, by Pat Gaylord , PLS 20 On the Cover Triple Falls in the Columbia River Gorge prior to the Eagle Creek Fire. This popular destination is located on Trail #424, upstream from Oneonta Gorge and the Oneonta tunnel that recently burned in the fire. Photo by Pat Gaylord. Contents 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 Greg Crites, gac@deainc.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: Matthew Smith, matthew@llmpubs.com ; 503-445-2223, 800-647-1511 x2223. @ORLandSurveyors