| 1. |  | Illinois, Albion Quadrangle : 15-minute series. | Illinois; Maps; Topographic maps; Topography; Albion (Ill.) | 1 map : col.; Relief shown by contours and spot heights.; "Road classification 1945."; "Mapped by the Geological Survey 1943." Coordinates: (W 88⁰15ʹ00ʺ--W 88⁰00ʹ00ʺ/N 38⁰30ʹ00ʺ--N 38⁰15ʹ00ʺ)... |
