Geologic Map of the Dongola Quadrangle, Alexander, Pulaski, and Union Counties, Illinois

47" × 31" single map sheet; includes map, legend, descriptive text, descriptive stratigraphic columns (2), and cross sections
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.
*excludes EDMAP series and student maps