The Center for Agricultural and Rural Development's Resources Conservation Act, 1980 model (CARD/RCA) did not include a range production sector. After reviewing the 1980 process and its limitations, it was decided that for some alternatives, especially those requiring conversion of lands to...

The optimal rates of Intertemporal and within-group groundwater mining in the Ogallala Aquifer are estimated for the year 1985 to 2005. The gains realized by the optimal policy are measured and compared with gains from the free market policy and life of the aquifer is estimated.