Aerial Gamma Ray and Magnetic Survey, Tallahassee and Apalachicola Quadrangles, Florida, Georgia and Alabama: Final Report (open access)

Aerial Gamma Ray and Magnetic Survey, Tallahassee and Apalachicola Quadrangles, Florida, Georgia and Alabama: Final Report

Final report analyzing aerial gamma ray and magnetic data in the Tallahassee and Apalachicola quadrangles, including a detailed geologic summary, interpretation report, reduced scale copies of all maps and profiles, histograms, and statistical tables for the quadrangle.
Date: May 1981
Creator: EG & G GeoMetrics
System: The UNT Digital Library
Ocher and Ochery Earths (open access)

Ocher and Ochery Earths

Report about ocher or ochery earth, "a natural mineral pigment composed largely of clay permeated with hydrated iron (ferric oxide)" (p. 2). It includes information about the uses of choer, substitutes, artificial ocher, mining and local deposits, import and export of ocher, and related information.
Date: May 1929
Creator: Santmyers, R. M.
System: The UNT Digital Library