TY  - RPRT
TI  - User's guide to the U.S. Geological Survey Culvert Analysis Program, version 97-08
AU  - Janice M. Fulford
PY  - 1998
DO  - 10.3133/wri984166
UR  - https://pubs.usgs.gov/publication/wri984166
ID  - wri984166
ER  -