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Map Releases

Our programs produce accurate geologic maps and 3-D geologic frameworks that provide critical data for sustaining and improving the quality of life and economic vitality of the Nation. 

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Map showing unconsolidated materials, Manchester quadrangle, Connecticut

This map describes the type, thickness, and distribution of unconsolidated materials. It is intended to serve as an aid in planning and evaluation of areas and in identifying areas of potential economic deposits.

Mineral resources map of the McCarthy Quadrangle, Alaska

The mineral resources map is an assessment of the occurrence of mineral deposits in the McCarthy quadrangle by area and type of deposit. Descriptions of known mineral deposits and occurrences in the quadrangle provided by MacKevett (1976b) should be used in conjunction with this map. Areas enclosing both known deposits and areas favorable for unfound deposits are delineated in the mineral resource