Yazar
David R Betters
3 cilt bulundu.
Cilt sonuçları
Demand for commercially delivered domestic fuelwood in Colorado, 1980
David R Betters · USDA Forest Service, Rocky Mountain Forest and Range Experiment Station
Sayfa sayısı yok · 1984
Fuelwood industry
Opportunities for timber management and wood utilization of the mixed conifer type in Arizona and New Mexico
David R Betters · Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
16 sayfa · 1984
Forest products industry / Conifers / Timber
Cost, time, and benefit measures for personal use fuelwood collection in Colorado
David R Betters · U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station
Sayfa sayısı yok · 1990
Economic aspects / Economic aspects of Fuelwood cutting / Economic aspects of Fuelwood industry / Fuelwood cutting / Fuelwood industry