TY  - RPRT
TI  - Percent-slope classes to characterize the unsaturated zone in North Carolina
AU  - Silvia Terziotti
AU  - Jo Leslie Eimers
PY  - 2001
DO  - 10.3133/ofr01495
UR  - https://pubs.usgs.gov/publication/ofr01495
ID  - ofr01495
ER  -