Maps showing the distribution of chromium, molybdenum, and uranium in stream sediments, Sherbrooke and Lewiston 1⁰ x 2⁰ quadrangles, Maine, New Hampshire, and Vermont
Department of the Interior, U.S. Geological Survey ; by Gary A. Nowlan ... [and others] ; prepared in cooperation with the Maine Geological Survey, Office of the New Hampshire State Geologist, and Vermont Geological Survey