@misc{indiciae0ecc74a4f515, title = {Aeromagnetic map of the Grand Lake Seboeis quadrangle, Aroostook and Penobscot Counties, Maine}, author = {R. W. Bromery}, year = {1962}, doi = {10.3133/gp288}, url = {https://pubs.usgs.gov/publication/gp288}, note = {Source identifier: gp288} }