▁incorpor ation ▁of ▁the ▁She bo yg an ▁Indian ▁M ound ▁Park ▁Association , ▁Inc . ▁In ▁ 1 9 8 1 , ▁the ▁site ▁was ▁added ▁to ▁the ▁National ▁Register ▁of ▁Historic ▁Places . ▁In ▁recognition ▁of ▁that ▁work , ▁she ▁was ▁awarded ▁the ▁S ears ▁Ro eb uck ▁National ▁C iv ic ▁Im prov ement ▁Medal ▁presented ▁by ▁the ▁National ▁Council ▁of ▁State ▁Garden ▁Club s . ▁ ▁After ▁her ▁husband ▁died ▁in ▁ 1 9 6 8 , ▁Mrs . ▁Koh ler ▁was ▁asked ▁to ▁take ▁his ▁place ▁as ▁an ▁active ▁trust ee ▁of ▁R ip on ▁College , ▁serving ▁in ▁that ▁capacity ▁for ▁five ▁years ▁from ▁ 1 9 6 8 ▁until ▁ 1 9 7 5 . ▁ ▁In ▁addition , ▁she ▁was ▁appointed ▁to ▁the ▁visit ing ▁committee ▁of ▁Harvard ▁University ' s ▁Department ▁of ▁Anth rop ology . ▁ ▁Other ▁recogn itions ▁included ▁the ▁City ▁of ▁Mil w au kee ▁Award ▁of ▁Mer it ▁and ▁the ▁first ▁annual ▁C iv ic ▁Development ▁Award ▁from ▁the ▁She bo yg an ▁Area ▁Garden ▁Club s . ▁ ▁Bibli ography ▁ ▁Children ' s ▁books ▁Far mer ▁Collins , ▁( 1 9 4 7 ), ▁Koh ler ▁and ▁Eng le bre cht ▁Football ▁Tre es , ▁( 1 9 4 7 ), ▁Koh ler ▁Daniel ▁in ▁the ▁Cub ▁Sc out ▁Den ▁( 1 9 5 1 ), ▁Koh ler ▁Harm ony ▁A head ▁( 1 9 5 2 ), ▁Koh ler ▁The ▁Boy ▁Who ▁Sto le ▁The ▁Ele ph