TY - RPRT TI - Data from the surface-water hydrologic investigations of the Hay Creek Study Area, Montana, and the West Branch Antelope Creek Study Area, North Dakota, October 1976 through April 1982 AU - Douglas G. Emerson AU - Steven W. Norbeck AU - Kelvin L. Boespflug PY - 1983 DO - 10.3133/ofr83136 UR - https://pubs.usgs.gov/publication/ofr83136 ID - ofr83136 ER -