Loess 106.2 Junction U.S. 83 and road (left) to Russell Springs. Road on right leads to Gove City. Proceed straight ahead on U.S. 83. 108.2 Ogallala Formation exposed in draw on right. 108.7-108.9 Ogallala Formation, overlain by Pleistocene alluvium (sand) and loess, exposed in deep road-cut. 109.0 Bridge. 109.2-109.3 Loess poorly exposed in roadcut on left. 109.8 Crossing loess-veneered upland surface of High Plains from here to Oakley. 111.9 Alluvium (sand), overlain by loess, exposed in roadcut. Ogallala Formation exposed in draw on right. 113.9 Loess exposed in roadcut. 116.6-116.7 Loess exposed in roadcuts. 116.9 Junction U.S. Highways 83 and 40 at Oakley. Turn right (east) on U.S. 40. From here to Voda route crosses loess-veneered upland surface of High Plains. 118.7 Roadside park. Lunch stop. 118.9 Entering Gove County. 119.0 Junction U.S. 40 and Interstate 70. Turn right onto eastbound ramp of I-70. 139.1 Roadside park on I-70. 149.8 Quinter Interchange. Proceed eastward on I-70. 154.0 Loess exposed in roadcut on right. 155.3 Entering Trego County. 157.8-158.1 Loess exposed in roadcut on right. 159.9 Loess exposed in roadcut on left. 160.6-160.9 Loess exposed in roadcut. 161.9 Voda Interchange. Turn right onto exit ramp. 162.0 Stop sign. Turn right (south) on Voda Road. 164.0 Sandy and pebbly silt (colluvium?) exposed in roadcut on right. 164.1 Pleistocene alluvium and loess exposed in roadcut on left. Prominent buried soil (dark) about halfway between top and base of cut. Conspicuous filled burrow lies in and below this soil zone. Irregular-shaped calcareous nodules abundant in zone below soil. Colluvium? and scattered blocks of Ogallala lie at top of cut. Figure 16.- Graphic column of rocks exposed at Chalk Canyon (Stop 8), SW sec. 25, T 14 S, R 33 W, Logan County, Kansas. Section measured by Donald E. Hattin and Philip H. Heckel, 1965. 44