Specifications include, but are not limited to:. Grading, gravel surfacing, plant mix bituminous surfacing, irrigation and drainage improvements, fencing, revegetation, bridge replacement, signing and pavement markings on the Hardin-South project in Big Horn County. The project is located on State Secondary Route 313 beginning at RP 1.3 and extends to RP 7.8. The first 0.12 miles of the project are outside the boundary of the Crow Indian Reservation. The remainder of the project limits are within the boundaries of the Crow Indian Reservation beginning at RP 1.535 and extending to the project end at RP 7.8.