Report on the United States and Mexican boundary survey, made under the direction of the secretary of the Interior
United States. Dept. of the Interior; Emory, William H. (William Hemsley), 1811-1887; Baird, Spencer Fullerton, 1823-1887; Conrad, T. A. (Timothy Abbott), 1803-1877; Englemann, George, 1809-1884; Hall, James, 1811-1898; Parry, Charles Christopher, 1823-1890; Schott, Arthur, 1814-1875; Torrey, John, 1796-1873; Girard, Charles, 1822-1895