TY - RPRT TI - Mainstems: A logical data model implementing mainstem and drainage basin feature types based on WaterML2 Part 3: HY Features concepts AU - David L. Blodgett AU - J. Micheal Johnson AU - Mark Sondheim AU - Michael Wieczorek AU - Nels Frazier PY - 2021 DO - 10.1016/j.envsoft.2020.104927 UR - https://pubs.usgs.gov/publication/70216698 ID - 70216698 ER -