TY - RPRT TI - Using the National Flood Frequency Program, version 3; a computer program for estimating magnitude and frequency of floods for ungaged sites AU - Craig D. Perl AU - Kernell G. Ries PY - 2002 DO - 10.3133/fs08402 UR - https://pubs.usgs.gov/publication/fs08402 ID - fs08402 ER -