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Core Repository and Exploration Records
The Maine Geological Survey maintains a repository of geological drill cores and samples for research purposes. These collections are focused on hard rock mineral resources and represent projects widely scattered about Maine in both time and space. Perhaps 100,000 feet of core representing millions of dollars in recovery expense are preserved in the facility. All cores and related documentation were donated to the State at various times by their rightful owners and are now considered State records, available for public inspection. This generalized map (1.0 Mb PDF format) shows townships for which we have cores, or in some cases both cores and core logs.
Google Earth Interactive Map
Core logs for rock cores stored in the Maine Geological Survey's Core Repository are now available via Google Earth. You will need to install Google Earth on your computer to view this data. For help using Google Earth go to the Google Earth Help Center.
Last updated on August 27, 2012
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