TY - RPRT TI - Report of the River Master of the Delaware River for the period of December 1, 1980 to November 30, 1981 AU - Francis T. Schaefer AU - Robert E. Fish PY - 1982 DO - 10.3133/ofr82341 UR - https://pubs.usgs.gov/publication/ofr82341 ID - ofr82341 ER -