PLSO March April 2017

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Professional Land
Surveyors of Oregon
Executive Secretary
Aimee McAuliffe
PO Box 230548
Tigard, OR 97281
503-303-1472
Toll-free: 844-284-5496
© 2017 LLM Publications
Vol. 40, No. 2
Mar/Apr 2017
A publication of the
Published by
LLM Publications
PO Box 91099
Portland, OR 97291
503-445-2220 • 800-647-1511
Advertising
Nicole Gardner,
Design
Benjamin Caulder,
Professional Land Surveyors of Oregon
Professional Land Surveyors of Oregon
Publications Committee
Greg Crites, PLS, Editor
Paul Galli •
Chuck Wiley •
John Thatcher •
SurveyorOregon The
Editorials
4
Articles
5
6
14
Columns
19
On the Cover
Trestle remnants at Trestle Bay (aka Jetty Lagoon) at Fort
Stevens State Park. Used for the construction of the south
jetty, the trestle stretches approximately 1.5 miles across
the bay from Point Adams to the tip of the Clatsop Spit at
the mouth of the Columbia. Check out the Lost Surveyor
for more about this locale. 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 & businessAll 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; .
Editorial matters & contributions of materialThe 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, .
Advertising policyAdvertising 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: Nicole Gardner, ; 503-445-2233, 800-647-1511 x2233.
@ORLandSurveyors