# # National Water Information System # 2024/11/21 # # # Date Retrieved: USGS Water Data for the Nation Help System # chan_evenness_cd chan_evenness_nm chan_evenness_ds 4s 11s 61s unkn unknown UNSP Unspecified The channel evenness description was not specified. EVEN Even The channel has no significant variation in its cross-section UEVN Uneven The channel has significant variation in its cross-section UNEV Uneven The channel has significant variation in its cross-section