Surficial Geology of Johnston City Quadrangle, Williamson and Franklin Counties, Illinois
One 36" × 30" map sheet; includes map, legends, and 1 figure
IGQ Johnson City-SG
GIS Download (GMDM):
GIS download contains ArcGIS geodatabase and metadata, ArcReader map document, and published map in PDF format (GIS file contents).
Purchase this map online through Shop ISGS*, or contact the Sales and Information Office for more information.
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