TY  - RPRT
TI  - Updating flood maps efficiently; building on existing hydraulic information and modern elevation data with a GIS
AU  - J. L. Jones
AU  - T.L. Haluska
AU  - A. K. Williamson
AU  - M. L. Erwin
PY  - 1998
DO  - 10.3133/ofr98200
UR  - https://pubs.usgs.gov/publication/ofr98200
ID  - ofr98200
ER  -