Second volume of a report documenting a study to map the High Plains aquifer and obtain data about various measurements and aspects of the aquifer. This volume provides "supporting basic data including records of wells and county maps depicting well locations, elevation of base of aquifer, elevation of water levels in 1980, and saturated thicknesses in 1980" for the northern third of the study area.

Patent for a vehicle wheel, which has a tire tread cushion on it to absorb shocks, reduce war on the tread, and make the tire move relatively to the hub of the wheel.