Columbia subject headings:
Aeromagnetic prospecting--Colorado.
Aeromagnetic prospecting--New Mexico--Taos Plateau.
Aeromagnetic prospecting--San Luis Valley (Colo. and N.M.)
Harvard subject headings:
Aeromagnetic prospecting--Colorado.
Aeromagnetic prospecting--New Mexico--Taos Plateau.
Aeromagnetic prospecting--San Luis Valley (Colo. and N.M.)
Princeton subject headings:
Aeromagnetic prospecting--Colorado.
Aeromagnetic prospecting--New Mexico--Taos Plateau.
Aeromagnetic prospecting--San Luis Valley (Colo. and N.M.).