164.3 Loess, overlain by alluvial sand, exposed in cut on right. 164.7 Bridge across intermittent stream. 164.8 Ogallala Formation exposed in roadside ditch on right and in graded bank on left. 164.9 Roadcut in sand and gravel deposit derived from Ogallala Formation which closely underlies upland surface in distance on right. 171.4 Junction Voda Road and Trego County Highway 458. Proceed on Voda Road. 175.4 Junction Voda Road and Trego County Highway 462. Proceed on Voda Road. 175.7 View ahead to valley of Smoky Hill River. 176.0 Top of bluff overlooking valley of Smoky Hill River. Smoky Hill Chalk Member exposed in roadcut on left. 176.3-176.4 Fort Hays Member, overlain by colluvium, exposed in roadcuts on left. 176.5 Upper part of Blue Hill Shale Member, Codell Sandstone Member, and lower part of Fort Hays Limestone Member exposed in roadcut on left. We will return to this cut for Stop 10. 176.6 Intermediate-level alluvial terraces of Smoky Hill River visible on left. 176.7 Flood plain of Smoky Hill River. Low-level terrace can be seen at right and right rear. Cross Smoky Hill River. 176.9 Crossing margin of one of intermediate-level terraces. Blue Hill Shale Member exposed in roadside ditch on right, beneath terrace alluvium. Note large septarian concretions in pasture on right. 177.0 Terrace alluvium exposed in roadside ditch and roadbank on right. Note gravel pit in pasture on left. Pit is in the next-to-highest of four terraces that can be readily distinguished on the south side of the river at this point. 177.3 Alluvial sand of high-level terrace exposed in roadcut on right. 177.4 Crossroad. Turn right (west). For next 1.4 miles route crosses surface of highest terrace of Smoky Hill River. 179.1 Fort Hays Limestone Member exposed in roadside ditch and pasture on right. 179.3 Fort Hays Member, overlain by terrace alluvium, exposed in roadside ditch on right. 179.4 "T" intersection. Turn right (north). Fort Hays exposed in pasture and along road on right. 179.6-179.8 Crossing low terraces and flood plain of Smoky Hill River. Cross Smoky Hill River. 179.9 Fort Hays exposed on both sides of road. Ascend steep hill; keep to right. 180.0 Fort Hays exposed in small roadcuts. Fort Hays poorly exposed in several places in next 0.3 mile. 180.3 Wire gate on right. Turn right into pasture and follow trail. At trail "Y", turn right and proceed to top of bluff near mouth of Hackberry Creek. 180.6 STOP 9. 45