[Dubuque Quadrangle: Average Record Data Listings]

Average record data listings taken during aerial gamma-ray and magnetic surveys of the Dubuque quadrangle in Iowa, Illinois, and Wisconsin.
Date: February 1981
Creator: EG & G GeoMetrics
System: The UNT Digital Library

[Dubuque Quadrangle: Single Record Data Listings]

Single record data listings taken during aerial gamma-ray and magnetic surveys of the Dubuque quadrangle in Iowa, Illinois, and Wisconsin.
Date: February 1981
Creator: EG & G GeoMetrics
System: The UNT Digital Library

[Burlington Quadrangle: Average Record Data Listings]

Average record data listings taken during aerial gamma-ray and magnetic surveys of the Burlington quadrangle in Missouri, Illinois, and Iowa.
Date: 1981
Creator: unknown
System: The UNT Digital Library

[Burlington Quadrangle: Single Record Data Listings]

Single record data listings taken during aerial gamma-ray and magnetic surveys of the Burlington quadrangle in Missouri, Illinois, and Iowa.
Date: 1981
Creator: unknown
System: The UNT Digital Library

[Davenport Quadrangle: Average Record Data Listings]

Average record data listings taken during aerial gamma-ray and magnetic surveys of the Davenport quadrangle in Iowa and Illinois.
Date: February 1981
Creator: EG & G GeoMetrics
System: The UNT Digital Library

[Davenport Quadrangle: Single Record Data Listings]

Single record data listings taken during aerial gamma-ray and magnetic surveys of the Davenport quadrangle in Iowa and Illinois.
Date: February 1981
Creator: EG & G GeoMetrics
System: The UNT Digital Library