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[Billings Quadrangle: Single Record Data Listings]
Single record data listings taken during aerial gamma-ray and magnetic surveys of the Billings quadrangle in Montana.
Date:
1979
Creator:
High Life Helicopters, Inc.
System:
The UNT Digital Library
[Billings Quadrangle: Average Record Data Listings]
Average record data listings taken during aerial gamma-ray and magnetic surveys of the Billings quadrangle in Montana.
Date:
1979
Creator:
High Life Helicopters, Inc.
System:
The UNT Digital Library