tag:digital.library.illinois.edu,2005:/items/a45418a0-994e-0134-2096-0050569601ca-6
Paxton quadrangle, Illinois : 15 minute series
2022-09-15T18:31:54Z
tag:digital.library.illinois.edu,2005:Item/70059
2016-11-30T19:20:06Z
2022-09-15T18:31:54Z
Paxton quadrangle, Illinois : 15 minute series
Contour interval 10 feet.
University of Illinois at Urbana-Champaign Library