@misc{indiciaef0e48e29db3e, title = {Preliminary gravity and magnetic maps of the Strait of Juan de Fuca, British Columbia, Canada and Washington, United States}, author = {P. D. Snavely and D. L. Tiffin and N. S. MacLeod and R. G. Currie}, year = {1974}, doi = {10.3133/ofr741096}, url = {https://pubs.usgs.gov/publication/ofr741096}, note = {Source identifier: ofr741096} }