Elevation-Derived Hydrography READ Rules: Canal/Ditch Diagram

Courtland and Superior Canals near the Nebraska-Kansas Stateline, shown as examples of canal/ditch features. Source data are from the National Hydrography Dataset (U.S. Geological Survey, 2020), which is used to provide examples of hydrographic feature types but may not have the same density and other characteristics of elevation-derived hydrography.