TY - RPRT TI - Waterbird use of saltmarsh ponds created for open marsh water management AU - R. Michael Erwin AU - Jeff S. Hatfield AU - Marshall Howe AU - Susan Klugman PY - 1994 DO - 10.2307/3809324 UR - https://pubs.usgs.gov/publication/5222739 ID - 5222739 ER -