TY - RPRT TI - Triangle Area Water Supply Monitoring Project, North Carolina—Summary of monitoring activities, quality assurance, and data, October 2017–September 2019 AU - Cassandra A. Pfeifle AU - Jessica L. Cain AU - Ryan B. Rasmussen PY - 2021 DO - 10.3133/ofr20211020 UR - https://pubs.usgs.gov/publication/ofr20211020 ID - ofr20211020 ER -