TY  - RPRT
TI  - Aeromagnetic map of the Ketchikan, Prince Rupert, and northeastern Craig quadrangles, Alaska
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1977
DO  - 10.3133/ofr77359
UR  - https://pubs.usgs.gov/publication/ofr77359
ID  - ofr77359
ER  -