@misc{indiciaefda078555a4b, title = {Drainage Divides, Massachusetts-Ipswich and Lower Merrimack River Basins and Northeast Coastal Basins}, author = {Richard A. Brackley and S. William Wandle}, year = {1983}, doi = {10.3133/ofr83209}, url = {https://pubs.usgs.gov/publication/ofr83209}, note = {Source identifier: ofr83209} }