Measuring Progress Since 1924

Phone: 503-284-5896

Key points for contours

 

1. Summits or peaks

topographic map2. Stream beds or valleys

3. Saddles

4. Depressions

5. Ridge lines

6. Ditch bottoms and tops of cuts

7. Tops of embankments and toes of slope

The more accurate the contours, the more costly the map.

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.