@misc{indiciaeb14a20c4b5e1, title = {Aeromagnetic interpretation maps of the Ambler River quadrangle, Alaska}, author = {Steve W. Hackett}, year = {1980}, doi = {10.3133/ofr78120k}, url = {https://pubs.usgs.gov/publication/ofr78120K}, note = {Source identifier: ofr78120K} }