TY  - RPRT
TI  - Map of part of Iron County, Michigan, showing part of area of aeromagnetic survey and magnetic trend lines; Magnetic maps from ground and airborne surveys of the Mangum, Oklahoma, area
AU  - L. P. Barrett
AU  - F. G. Pardee
AU  - W. Osgood
AU  - H. E. Hawkes
PY  - 1946
DO  - 10.3133/gp3
UR  - https://pubs.usgs.gov/publication/gp3
ID  - gp3
ER  -