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You searched for: Publisher Illinois State Geological Survey Remove constraint Publisher: Illinois State Geological Survey Resource Class Web services Remove constraint Resource Class: Web services Time Period 1950-1999 Remove constraint Time Period: 1950-1999

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1.

Physiographic Divisions [Illinois] 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.

2.

PLSS Indian Treaty Boundary Lines [Illinois] 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.

3.

PLSS Townships [Illinois] 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.

4.

Quaternary Deposits [Illinois] (1979) 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.