Figure 2.30: Portion of a USGS topographic map of Stowe, VT. In this map, you can see
Cady Hill (elevation 1122 ft) indicated by concentric circles in the lower left portion of the
map and another hill (elevation ̃ 960 ft) in the upper right portion of the map. ( 3 )
Figure 2.31: On a contour map, a circle with inward hatches indicates a depression. ( 38 )