101. A geological map of a part of Massachusetts on Connecticut River, 1817
A geological map of a part of Massachusetts on Connecticut River, 1817. TIFF. [New York : J. Eastburn and Co., 1819]. princeton-zp38wf777. 1819. Hitchcock, Edward, 1793-1864. Relief shown by hachures and landforms. Includes "Transverse section of rock strata from Housack Mountain to eleven miles east of Connecticut River...