tag:digital.library.illinois.edu,2005:/items
Items
2022-09-15T18:31:27Z
tag:digital.library.illinois.edu,2005:Item/70040
2016-11-30T19:20:00Z
2022-09-15T18:31:53Z
llinois, Greenup quadrangle : 15-minute series
Contour interval 10 feet.
University of Illinois at Urbana-Champaign Library
tag:digital.library.illinois.edu,2005:Item/69986
2016-11-30T19:19:44Z
2022-09-15T18:31:50Z
Illinois, Greenville quadrangle : 15-minute series
Contour interval 10 feet.
University of Illinois at Urbana-Champaign Library
tag:digital.library.illinois.edu,2005:Item/66892
2016-11-15T17:24:43Z
2022-09-15T18:31:27Z
Illinois, Lena quadrangle : 15-minute series
(W 90⁰00ʹ00ʺ--W 89⁰45ʹ00ʺ/N 42⁰30ʹ00ʺ--N 42⁰15ʹ00ʺ).
University of Illinois at Urbana-Champaign Library