النوع Forests and forestry / United States . الأسماء: wood / american / data / soil / modulus و 573 اكثر

النوع Forests and forestry / United States . الأسماء: life / wood / roots / soil / leaves و 373 اكثر

بواسطة Pinchot, Gifford, 1865-1946 / Pinchot, Gifford,, 1865-1946 / Pinchot, Gifford,, 1865-1946 . النوع Forests and forestry / Trees . الأسماء: life / roots / wood / soil / leaves و 355 اكثر

النوع Forests and forestry / United States . الأسماء: wood / bark / california / sapwood / white pine و 1420 اكثر

النوع Forests and forestry / United States . الأسماء: life / wood / roots / soil / leaves و 378 اكثر

بواسطة McClatchie, Alfred James. . النوع n-us--- / Eucalyptus / Forests and forestry / United States . الأسماء: eucalyptus / leaves / america / wood / bark و 1405 اكثر

بواسطة Pinchot, Gifford, 1865-1946 / Pinchot, Gifford,, 1865-1946 / Pinchot, Gifford,, 1865-1946 . النوع Forests and forestry / Trees . الأسماء: wood / california / area / soil / age و 435 اكثر

النوع Forests and forestry / United States . الأسماء: wood / california / area / soil / age و 226 اكثر

بواسطة Scott, Charles Frederick, 1890- / Chittenden, Hiram Martin, 1858-1917 . النوع Forests and forestry / United States / Water-supply / United States . الأسماء: soil / area / areas / none / american و 1213 اكثر

بواسطة Dana, Samuel Trask, 1883- . النوع Forests and forestry / United States / Lumbering / United States . الأسماء: wood / areas / town / area / life و 176 اكثر