▁a ▁special ▁forest ▁agent ▁for ▁the ▁United ▁States ▁Department ▁of ▁the ▁Inter ior . ▁ ▁Le ad ▁for ester ▁ ▁Head ▁of ▁the ▁Division ▁of ▁Forest ry ▁ ▁In ▁ 1 8 9 8 , ▁Pin ch ot ▁became ▁the ▁head ▁of ▁the ▁Division ▁of ▁Forest ry , ▁which ▁was ▁part ▁of ▁the ▁United ▁States ▁Department ▁of ▁Agricult ure . ▁Pin ch ot ▁is ▁known ▁for ▁reform ing ▁the ▁management ▁and ▁development ▁of ▁for ests ▁in ▁the ▁United ▁States ▁and ▁for ▁advoc ating ▁the ▁conservation ▁of ▁the ▁nation ' s ▁res erves ▁by ▁planned ▁use ▁and ▁renew al . ▁His ▁approach ▁set ▁him ▁apart ▁from ▁some ▁other ▁leading ▁forest ry ▁exper ts , ▁especially ▁Bern hard ▁E . ▁Fern ow ▁and ▁Carl ▁A . ▁Sch en ck . ▁In ▁contrast ▁to ▁Pin ch ot ' s ▁national ▁vision , ▁Fern ow ▁advoc ated ▁a ▁regional ▁approach , ▁while ▁Sch en ck ▁fav ored ▁private ▁enter prise ▁effort . ▁Pin ch ot ' s ▁main ▁contribution ▁was ▁his ▁leadership ▁in ▁prom oting ▁scientific ▁forest ry ▁and ▁emphas izing ▁the ▁controlled , ▁prof itable ▁use ▁of ▁for ests ▁and ▁other ▁natural ▁resources ▁so ▁they ▁would ▁be ▁of ▁maximum ▁benefit ▁to ▁man kind . ▁He ▁co ined ▁the ▁term ▁conservation ▁eth ic ▁as ▁applied ▁to ▁natural ▁resources . ▁Under ▁his ▁leadership , ▁the ▁number ▁of ▁individuals ▁employed ▁by ▁the ▁Division ▁of ▁Forest ry ▁grew ▁from ▁ 6 0 ▁in ▁ 1 8 9 8 ▁to ▁ 5 0 0 ▁in ▁ 1 9 0 5 ;