TY - RPRT TI - Sediment classification and the characterization, identification, and mapping of geologic substrates for the glaciated Gulf of Maine seabed and other terrains, providing a physical framework for ecological research and seabed management AU - Page C. Valentine PY - 2019 DO - 10.3133/sir20195073 UR - https://pubs.usgs.gov/publication/sir20195073 ID - sir20195073 ER -