Portland 1° x 2° NTMS Area, Maine and New Hampshire: Data Release, Plate 1-9

Supplementary data containing a geologic-tectonic map of the Portland Quadrangle, in addition to mineral occurrences, sample site locations, and elemental distribution data to accompany a report on hydrogeochemical and stream sediment reconnaissance in Maine and New Hampshire.
Date: February 1979
Creator: Koller, G. R.
System: The UNT Digital Library

[Lewiston Quadrangle: Average Record Data Listings]

Average record (statistical analysis) data listings taken during aerial gamma-ray and magnetic surveys of the Lewiston quadrangle in Maine, New Hampshire, and Vermont.
Date: July 1981
Creator: Carson Helicopters, Inc.
System: The UNT Digital Library

[Sherbrooke Quadrangle: Average Record Data Listings]

Average record (statistical analysis) data listings taken during aerial gamma-ray and magnetic surveys of the Sherbrooke quadrangle in Maine and New Hampshire.
Date: July 1981
Creator: Carson Helicopters, Inc.
System: The UNT Digital Library

[Lewiston Quadrangle: Single Record Data Listings]

Single record data listings taken during aerial gamma-ray and magnetic surveys of the Lewiston quadrangle in Maine, New Hampshire, and Vermont.
Date: July 1981
Creator: Carson Helicopters, Inc.
System: The UNT Digital Library

[Sherbrooke Quadrangle: Single Record Data Listings]

Single record data listings taken during aerial gamma-ray and magnetic surveys of the Sherbrooke quadrangle in Maine and New Hampshire.
Date: July 1981
Creator: Carson Helicopters, Inc.
System: The UNT Digital Library