The 7.5 minute maps by USGS are the most detailed topographic maps of Oregon and are the best tool for figuring out the shape of the land using contour lines. Hills, depressions, cliffs, plateaus, and other physical features are clearly marked on these maps, while colors and symbols indicate whether these hills are wooded or clear. Roads, trails, power lines and shelters are also marked.Each measures approximately 22" x 27"Covers about a 6 mile by 9 mile area for each map Articles How To Read A Map What Makes a Good Trail Map What is a Topographic Map? Why You Need Hiking Maps
