Elevation-Derived Hydrography READ Rules: Dam/Weir
By NGP Standards and Specifications
2020 (approx.)
Detailed Description
Hoover Dam on Lake Mead in Arizona, shown as an example of a dam/weir feature. 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.
Sources/Usage
Public Domain.