▁at ▁the ▁French ▁National ▁School ▁of ▁Forest ry ▁in ▁Nancy ▁and ▁returned ▁to ▁the ▁United ▁States ▁in ▁late ▁ 1 8 9 0 . ▁ ▁Early ▁career , ▁ 1 8 9 0 – 1 9 1 0 ▁ ▁Early ▁roles ▁ ▁Pin ch ot ▁land ed ▁his ▁first ▁professional ▁forest ry ▁position ▁in ▁early ▁ 1 8 9 2 , ▁when ▁he ▁became ▁the ▁manager ▁of ▁the ▁for ests ▁at ▁George ▁Washington ▁V ander b ilt ▁II ' s ▁B ilt more ▁Est ate ▁in ▁As he ville , ▁North ▁Carolina . ▁That ▁same ▁year , ▁Pin ch ot ▁met ▁John ▁Mu ir , ▁a ▁natural ist ▁who ▁founded ▁the ▁Sierra ▁Club ▁and ▁would ▁become ▁Pin ch ot ' s ▁ment or ▁and , ▁later , ▁his ▁rival . ▁Pin ch ot ▁worked ▁at ▁B ilt more ▁until ▁ 1 8 9 5 , ▁when ▁he ▁opened ▁a ▁consult ing ▁office ▁in ▁New ▁York ▁City . ▁In ▁ 1 8 9 6 , ▁he ▁emb ark ed ▁on ▁a ▁tour ▁of ▁the ▁American ▁West ▁with ▁the ▁National ▁Forest ▁Commission . ▁Pin ch ot ▁disag re ed ▁with ▁the ▁commission ' s ▁final ▁report , ▁which ▁advoc ated ▁prevent ing ▁U . S . ▁forest ▁res erves ▁from ▁being ▁used ▁for ▁any ▁commercial ▁purpose ; ▁Pin ch ot ▁instead ▁fav ored ▁the ▁development ▁of ▁a ▁professional ▁forest ry ▁service ▁which ▁would ▁pres ide ▁over ▁limited ▁commercial ▁activities ▁in ▁forest ▁res erves . ▁In ▁ 1 8 9 7 , ▁Pin ch ot ▁became