Bedrock Geology of Hamburg Quadrangle, Calhoun County, Illinois, and Lincoln and Pike Counties, Missouri
Two 35" x 30 " map sheets; sheet 1 contains map and legends; sheet 2 includes descriptive stratigraphic column, cross section, descriptive text, and 5 figures.
GIS Download (GeMS):
Purchase this map online through Shop ISGS*, or contact the Sales and Information Office for more information.
*excludes EDMAP series and student maps