TY - RPRT TI - Techniques for estimating streamflow characteristics in the Eastern and Interior coal provinces of the United States AU - K. L. Wetzel AU - J.M. Bettandorff PY - 1984 DO - 10.3133/ofr83948 UR - https://pubs.usgs.gov/publication/ofr83948 ID - ofr83948 ER -