@misc{indiciae0517a0cf1ffb, title = {Sun-illuminated sea floor topographic maps and perspective-view imagery of quadrangles 1-18, Stellwagen Bank National Marine Sanctuary off Boston, Massachusetts}, author = {Page C. Valentine and Tanya S. Unger and Jessica L. Baker and Christopher F. Polloni}, year = {1999}, doi = {10.3133/ofr99363}, url = {https://pubs.usgs.gov/publication/ofr99363}, note = {Source identifier: ofr99363} }