A contribution to Andreas' atlas of Dakota, 1884, and G.K. Warren's Military map of Nebraska and Dakota, 1858John Van Balen · First published 1997Open the Tome
Index to maps in earth science publications, 1963-1983John Van Balen · First published 1985Open the Tome
Geography and earth sciences publications, 1968-1972John Van Balen · First published 1978Open the Tome