TY  - RPRT
TI  - Aeromagnetic map of the Portland-Vancouver Metropolitan area, Oregon and Washington
AU  - Stephen L. Snyder
AU  - T.J. Felger
AU  - R.J. Blakely
AU  - R.E. Wells
PY  - 1993
DO  - 10.3133/ofr93211
UR  - https://pubs.usgs.gov/publication/ofr93211
ID  - ofr93211
ER  -