PINCHOT,GIFFORD Pamphlets on forestry. History" FIELD PROGRAM FOR JULY, 1909 PINCHOT,GIFFORD - n.p. UNITED STATES DEPARTMENT OF AGRICULTURE FOREST SERVICE n.d. - 425 -Vol.8 In English Subjects--Topical Terms: forestry, History" Dewey Class. No.: 634.9 PIN-P n.d.