We wish to acknowledge the continued support and encouragement of G. C. and M. Facer, E. DMA, Gates ERDA HQ; (Manager), and R. L. ERDA/NV. Hitechew, R. Ray, C. E. Williams, Special thanks are due to H. B. Gayle, P. G. Noblitt, and the Secretarial Center of Holmes & Narver, Inc., Las Vegas. Mary G. White Scientific Program Manager Nevada Applied Ecology Group Paul B. Dunaway, Chairman Nevada Applied Ecology Group Steering Committee