Report on the geology of Vermont; descriptive, theoretical, economical, and scenographical;
Vermont. State Geologist; Hitchcock, Edward, 1793-1864; Hitchcock, Edward, 1828-1911; Hager, Albert D. (Albert David), 1817-1888; Hitchcock, Charles H. (Charles Henry), 1836-1919; Lesquereux, Leo, 1806-1889; Billings, E. (Elkanah), 1820-1876