This large, 4-sheet geologic map displays more than 350 lithostratigraphic units ranging in age from Precambrian to Quaternary. In addition to the bedrock and unconsolidated surficial units, the map shows many major cultural features, such as county boundaries, cities, state and federal highways, and railroad lines. Each sheet measures 3.6 x 4.3 ft; if assembled together finished size is 7.2 x 8.6 ft. Sold as a set.