TY  - RPRT
TI  - Guide for selecting Manning's roughness coefficients for natural channels and flood plains
AU  - George J. Arcement
AU  - Verne R. Schneider
PY  - 1989
DO  - 10.3133/wsp2339
UR  - https://pubs.usgs.gov/publication/wsp2339
ID  - wsp2339
ER  -