Measuring Progress Since 1924

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survey definitions Archives


  Boundary – A boundary is every separation, natural or artificial, which marks the confines or line of division of two contiguous properties. The courts … Read More

Lambert Projection Maps

  Philosopher and mathematician Johann Heinrich Lambert was born in Alsace, France, in 1728. Lambert showed that maps could be made with truer shapes by … Read More

Mercator Projection maps

  Gerardus Mercator was born in Flanders in 1512. Mercator wrote on his charts “If you wish to sail from one port to another, here … Read More

Practice of land surveying

  ORS 672.005(2) “Practice of land surveying” means doing any of the following: (a) Providing or offering to provide professional services that apply mathematics, geodesy … Read More

Gunter's chain

  Gunter’s chain was a measuring device used for land surveying. It was designed in 1620 by English clergyman and mathematician Edmund Gunter. Gunter’s chain … Read More

Public land survey corner

  ORS 209.005(6) “Public land survey corner” means a section corner, one-quarter section corner, Donation Land Claim corner, meander corner, witness corner or any other … Read More


  ORS 209.005(5) “Monument” means any permanent material object or collection of objects, either natural or man-made, that indicates the position on the ground of … Read More

Adverse possession

  Adverse possession – A situation where ownership can be claimed by use or occupation. As defined by law, certain rules apply which are best … Read More


  Encroachments – Physical evidence that may represent intrusion or trespass by someone with no legal rights to use the property as described in a … Read More

Who Is W.B. Wells?

In 1924, after graduating from Stanford University, Willard B. Wells founded W.B. Wells & Assoc. Inc in Portland, Oregon. Willard’s philosophy was to provide a quality product for a reasonable fee. We still follow Willard’s philosophy today.
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