TY - RPRT TI - Assessment of habitat, fish communities, and streamflow requirements for habitat protection, Ipswich River, Massachusetts, 1998-99 AU - David S. Armstrong AU - Todd A. Richards AU - Gene W. Parker PY - 2001 DO - 10.3133/wri20014161 UR - https://pubs.usgs.gov/publication/wri20014161 ID - wri20014161 ER -