Yazar
Joseph Edward De Steiguer
4 cilt bulundu.
Cilt sonuçları
Wild horses of the West
Joseph Edward De Steiguer · University of Arizona Press
249 sayfa · 2011
Wild horses / Government policy / History / Horses, history / West (u.s.), politics and government
Age of environmentalism
Joseph Edward De Steiguer · McGraw-Hall
202 sayfa · 1997
Environmentalism / Environmentalists / Human ecology / Environmental degradation
Optimal level of expenditure to control the southern pine beetle
Joseph Edward De Steiguer · U.S. Dept. of Agriculture, Forest Service, Southeastern Forest Experiment Station
30 sayfa · 1987
Control / Southern pine beetle / Costs / Pests / Beetles
Comparison of economic criteria for optimal forest damage control
Joseph Edward De Steiguer · U.S. Dept. of Agriculture, Forest Service, Southeastern Forest Experiment Station
Sayfa sayısı yok · 1991
Economic aspects / Economic aspects of Forests and forestry / Forests and forestry