tag:digital.library.illinois.edu,2005:/items/9672d7e0-82d4-0134-1f08-0050569601ca-a
Illinois (Macoupin County) Gillespie quadrangle : topography
2022-09-15T18:31:21Z
tag:digital.library.illinois.edu,2005:Item/66798
2016-11-15T17:24:22Z
2022-09-15T18:31:21Z
Illinois (Macoupin County) Gillespie quadrangle : topography
Relief shown by contours and spot heights.
University of Illinois at Urbana-Champaign Library