University of Illinois Urbana-Champaign

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Showing 9211–9240 of 19,587 items
Thumbnail for Computer-calculated Lambert conformal conic projection tables for Illinois (7.5-minute intersections)
Computer-calculated Lambert conformal conic projection tables for Illinois (7.5-minute intersections)
DuMontelle, Paul B.; Heigold, Paul C.; Heidari, Manoutchehr; Swann, David H.

Thumbnail for Sinkhole Plain area assessment
Sinkhole Plain area assessment
Submitter: Steven Mccauley