@misc{indiciae4fec1399e596, title = {Aeromagnetic map of the northwest part of the Olympic National Forest, Washington}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1980}, doi = {10.3133/ofr80950}, url = {https://pubs.usgs.gov/publication/ofr80950}, note = {Source identifier: ofr80950} }