Measuring Progress Since 1924

Phone: 503-284-5896

Methods of locating contours

 

photo of compass and mountains in the distanceMethods of locating contours – topographic surveys

Grid method – effective in a relatively small area, which also has a fairly uniform slope. Grid pattern is typically 25 feet.

Cross section method – for the preparation of strip maps or design surveys

Tracing contours method – used when exact location of a particular contour line is needed

Controlling points method – shots taken at specific land features

 

 

Related Topics



Comments are closed.

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.
Learn More.