Zon, Raphael. 1874-1956.
Forest resources of the world / Raphael Zon and William N. Sparhawk ... with a foreword by Gifford Pinchot; prepared under the authority of the Secretary of Agriculture of the United States and in coöperation with the National Research Council ...[v0l. 1.] - 1st ed. - New York : McGraw-Hill Book Co., c1923. - xiv, p. : Ills., maps. ; 24 cm.
Contains "References".
23011126
Forests and forestry.
SD131 / .Z75
634.92 / ZOF
Forest resources of the world / Raphael Zon and William N. Sparhawk ... with a foreword by Gifford Pinchot; prepared under the authority of the Secretary of Agriculture of the United States and in coöperation with the National Research Council ...[v0l. 1.] - 1st ed. - New York : McGraw-Hill Book Co., c1923. - xiv, p. : Ills., maps. ; 24 cm.
Contains "References".
23011126
Forests and forestry.
SD131 / .Z75
634.92 / ZOF