National land cover monitoring using large, permanent photo plots

by Czaplewski, R.L., FAO, Rome (Italy). Forestry Dept. eng, Catts, G.P., Snook, P.W. (Forest Service, Fort Collins, CO (USA). Rocky Mountain Forest and Range Experiment Station), Lund, H.G. (ed.), Caballero-Deloya, M (ed.), Villarreal-Canton, R. (ed.), Forest Service, Washington, DC (USA) eng, Society of American Foresters, Washington, DC (USA). Inventory Working Group eng
Published 1987