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[Sioux Falls Quadrangle: Average Record Data Listings]
Average record data listings taken during aerial gamma-ray and magnetic surveys of the Sioux Falls quadrangle in South Dakota, Iowa, and Minnesota.
Date:
April 1981
Creator:
unknown
System:
The UNT Digital Library
[Sioux Falls Quadrangle: Single Record Data Listings]
Single record data listings taken during aerial gamma-ray and magnetic surveys of the Sioux Falls quadrangle in South Dakota, Iowa, and Minnesota.
Date:
April 1981
Creator:
unknown
System:
The UNT Digital Library