Field work was carried on for two summer seasons by the junior author as Geologist of Trailside Museums, Bear Mountain, N. Y. This locality is in the Palisades Interstate Park, 50 miles north of New York City, on the Hudson River. Petrographic studies were made by the writers at the Geological Laboratory, University of Virginia. The purpose of this paper is to place on record several little-known minerals found in the area.

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