New Hampshire Mineral Locality Index Downloaded by [University of Newcastle, Australia] at 15:01 05...Figure 1. The entrance and arch of the Palermo mine, North Groton, Grafton County. Rob Lawrence photo,...Whitmore. 242 ROCKS & MINERALS lthough New Hampshire, the Granite State, is one of our smaller states,... with an area of just 9,304 square miles and is one of the lowest in annual mineral production, the number...number of mineral collecting localities and the recorded number of mineral species is quite high. Hawes |