Geo map with copper localities superimposed.

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X's are copper localities. Circle is area behind "Copper Shop." Pink is Andover granite. Grey is Nashoba Fm (gneiss and schist).

Image 148273 is a 540 by 720 pixel PNG
Uploaded: Feb25 17

Last Modified: 2017-02-25 20:00:11
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Basemap is USGS interactive geologic map of states. Annotations by Kim Kastens. USGS map is public domain.
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