TY - RPRT TI - SAM 2.1—A computer program for plotting and formatting surveying data for estimating peak discharges by the slope-area method AU - J.E. Hortness PY - 2004 DO - 10.3133/fs20043028 UR - https://pubs.usgs.gov/publication/fs20043028 ID - fs20043028 ER -