Before revision: Geological indicators Well defined river beds composed of riffles, pools, runs, gravel bars, a bed armor layer, and other depositional features, plus well defined banks due to bank erosion are good identifiers when assessing for perennial streams.
After revision: ,Geological indicators Well defined river beds composed of riffles, pools, runs, gravel bars, a bed armor layer, and other depositional features, plus well defined banks due to bank erosion are good identifiers when assessing for perennial streams.