TY  - RPRT
TI  - Composite magnetic anomaly map of the conterminous United States west of 96° longitude
AU  - K. R. Bond
AU  - Isidore Zietz
PY  - 1987
DO  - 10.3133/gp977
UR  - https://pubs.usgs.gov/publication/gp977
ID  - gp977
ER  -