East Stoneham-NW-01-53. Pegmatite w/ pothole, W. Branch Pleasant River, Mason Twp., ME. Project Name: Thompson NGGDPP Grant 2020https://digitalmaine.com/mgs_geologic_field_photos/16625/thumbnail.jp
East Stoneham-NW-01-53. Pegmatite w/ pothole, W. Branch Pleasant River, Mason Twp., ME. Project Name... Read more