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The Geology of Trenton, Sat., Dec. 13, 9:30 a.m. Retired Hydrogeologist Pierre Lacombe, who has 34 years of experience with the U.S. Geological Survey and is an active member of the Geological Association of N.J., will regale walkers with information about the rocks of Trenton during the 1.1 mile walk in downtown Trenton. Walkers […]