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Maine Geological Survey, Open-File Report 83-5. Includes Bouguer gravity map and map of gravity stations. Appendix contains latitude and longitude of stations, gravity in mgal, and Bouguer anomaly.
Maine Geological Survey
Penobscot County; Piscataquis County; Somerset County
Messier, Peter M., 1983, Gravity survey of the northern Penobscot Valley area, Maine: Maine Geological Survey, Open-File Report 83-5, 26 p. report, 2 maps, 3 figs, 3 tables, 1 appendix, scale 1:62,500. Maine Geological Survey Maps. 1192. http://digitalmaine.com/mgs_maps/1192
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