▁he ▁also ▁h ired ▁numerous ▁part - time ▁employees ▁who ▁worked ▁only ▁during ▁the ▁summer . ▁The ▁Division ▁of ▁Forest ry ▁did ▁not ▁have ▁direct ▁control ▁over ▁the ▁national ▁forest ▁res erves , ▁which ▁were ▁instead ▁assigned ▁to ▁the ▁U . S . ▁Department ▁of ▁Inter ior , ▁but ▁Pin ch ot ▁reached ▁an ▁arrangement ▁with ▁the ▁Department ▁of ▁Inter ior ▁and ▁state ▁ag encies ▁to ▁work ▁on ▁res erves . ▁ ▁In ▁ 1 9 0 0 , ▁Pin ch ot ▁established ▁the ▁Society ▁of ▁American ▁Forest ers , ▁an ▁organization ▁that ▁helped ▁bring ▁cred ibility ▁to ▁the ▁new ▁profession ▁of ▁forest ry , ▁and ▁was ▁part ▁of ▁the ▁bro ader ▁professional ization ▁movement ▁under way ▁in ▁the ▁United ▁States ▁at ▁the ▁turn ▁of ▁the ▁tw enti eth ▁century . ▁P urs u ant ▁to ▁the ▁goal ▁of ▁professional ization , ▁the ▁Pin ch ot ▁family ▁end owed ▁a ▁ 2 - year ▁gradu ate - level ▁School ▁of ▁Forest ry ▁at ▁Y ale ▁University , ▁which ▁now ▁known ▁as ▁the ▁School ▁of ▁Forest ry ▁and ▁Environment al ▁Studies . ▁It ▁became ▁the ▁third ▁school ▁in ▁the ▁U . S . ▁that ▁trained ▁professional ▁forest ers , ▁after ▁the ▁New ▁York ▁State ▁College ▁of ▁Forest ry ▁at ▁Corn ell ▁and ▁the ▁B ilt more ▁Forest ▁School . ▁Central ▁to ▁his ▁public ity ▁work ▁was ▁his ▁creation ▁of ▁news ▁for ▁mag az ines ▁and ▁newsp apers , ▁as ▁well ▁as ▁deb ates ▁with ▁oppon ents ▁such ▁as ▁John ▁Mu ir . ▁ ▁Chief