@misc{indiciae1ba1dbba4e81, title = {Aeromagnetic map of part of the Gulf of Mexico across the Continental Shelf}, author = {James R. Balsley and H.R. Joesting}, year = {1963}, doi = {10.3133/ofr635}, url = {https://pubs.usgs.gov/publication/ofr635}, note = {Source identifier: ofr635} }