Geologic map and structure sections of the Franconia quadrangle, New Hampshire [cartographic material] / geology by Marland Billings and Charles R. Williams, assisted by Samuel Bowditch [and 4 others].
Relief shown by contours and spot heights. Contour interval 20 feet. "Geology surveyed in 1932, 1933 and 1934." "Topographic based by U. S. Geological Survey in cooperation with the State of New Hampshire." Includes 6 col. cross sections.
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