“…In general, those wells east of Mosquito Creek Lake in central Trumbull County are located in the basin-center part of the Lower Silurian regional accumulation whereas those wells west of Mosquito Creek Lake are located in the hybrid-conventional part ( Figure 3). All wells sampled are within 5 miles of cross section D-D' that shows the stratigraphic and depositional character of the "Clinton" sandstone and Medina Group (Keighin, 1998) (Figure 3). Cross section A-A' , which connects with cross section D-D' in Mercer County, is located 5 to 10 miles from the wells sampled in southeastern Mercer and northwestern Butler Counties (Figure 3).…”