Yazar
Thomas White Childs
7 cilt bulundu.
Thomas White Childs · Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture
45 sayfa · 1968
Diseases and pests / Elytroderma deformans / Ponderosa pine
Thomas White Childs · Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service
27 sayfa · 1970
Diseases and pests / Douglas fir / Root rots
Barney Childs, William Albright, Robert Ashley, Larry Austin, William Bolcom, Harold Budd, Joel Chadabe, Charles Dodge, William Hellermann, Sydney Hodkinson, Prof. Ben Johnston, Daniel Lentz, , · University of Illinois Press
Thomas White Childs · Pacific Northwest Forest & Range Experiment Station
19 sayfa · 1963
Diseases and pests / Mistletoes / Ponderosa pine
Thomas White Childs · Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service
19 sayfa · 1967
Diseases and pests / Forests and forestry / Trees
Thomas White Childs · Pacific Northwest Forest and Range Experiment Station, U.S. Forest Service
Sayfa sayısı yok · 1968
Comandra blister rust / Diseases and pests / Plant parasites / Ponderosa pine