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You searched for: Resource Class Web services Remove constraint Resource Class: Web services Provider University of Illinois Urbana-Champaign Remove constraint Provider: University of Illinois Urbana-Champaign Time Period 1950-1999 Remove constraint Time Period: 1950-1999

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2.

Physiographic Divisions [Illinois] University Of Illinois Urbana Champaign university-of-illinois-urbana-champaign

1993. Illinois State Geological Survey. The Physiographic divisions of Illinois, including Provinces, Sections, and Divisions. Data are originally from ISGS Report of Investigations 129 b... Illinois State Geological Survey.

3.

PLSS Indian Treaty Boundary Lines [Illinois] University Of Illinois Urbana Champaign university-of-illinois-urbana-champaign

1968. Illinois State Geological Survey. Indian Treaty boundary lines from the Illinois Public Land Survey System. ISGS, 1984 (revised 2003). Illinois State Geological Survey.

4.

PLSS Townships [Illinois] University Of Illinois Urbana Champaign university-of-illinois-urbana-champaign

1968. Illinois State Geological Survey. Township and range lines of Illinois. Attribute information includes, township, range, meridian and line type indicators. ISGS, 1984 (revised 1998). Illinois State Geological Survey.

5.

Quaternary Deposits [Illinois] (1979) University Of Illinois Urbana Champaign university-of-illinois-urbana-champaign

1979. Illinois State Geological Survey. Quaternary Deposits in Illinois that lie at or near the land surface, including loess deposits. Data originally from Quaternary Deposits of Illinoi... Illinois State Geological Survey.