TY - RPRT TI - Estimates of mean monthly streamflow for selected sites in the Musselshell River basin, Montana, base period water years 1937-86 AU - Charles Parrett AU - D.R. Johnson PY - 1989 DO - 10.3133/wri894165 UR - https://pubs.usgs.gov/publication/wri894165 ID - wri894165 ER -