▁Al aska - Y uk on - P ac ific ▁Ex position ▁of ▁ 1 9 0 9 , ▁at ▁which ▁they ▁were ▁featured ▁exhib itions . ▁Public ▁controvers y ▁about ▁them ▁decl ined ▁after ▁their ▁grad ual ▁disapp earance ▁in ▁susp icious ▁circumstances ▁by ▁ 1 9 2 6 . ▁Today , ▁none ▁of ▁that ▁size ▁remain ▁anywhere ▁in ▁the ▁world . ▁ ▁In ▁ 1 9 1 9 , ▁after ▁the ▁death ▁of ▁The odore ▁Ro ose vel t , ▁the ▁city ▁renamed ▁the ▁park ▁" Ro ose vel t ▁Park ", ▁but ▁Seattle ites ▁pet ition ed ▁to ▁revert ▁to ▁the ▁original ▁name ▁in ▁ 1 9 3 1 . ▁ ▁In ▁the ▁mid - 1 9 6 0 s , ▁the ▁Cow en ▁Park ▁rav ine ▁was ▁largely ▁filled ▁using ▁fre ew ay ▁construction ▁spo ils . ▁The ▁City ▁of ▁Seattle ▁planned ▁to ▁use ▁the ▁rav ine ▁for ▁st aging ▁a ▁compreh ensive ▁storm water ▁d rain age ▁pip ing ▁project ▁in ▁ 1 9 8 6 , ▁gal van izing ▁the ▁neighborhood s ▁of ▁the ▁waters hed ▁to ▁protect ▁and ▁restore ▁the ▁park . ▁Since ▁ 1 9 9 1 , ▁the ▁park ▁has ▁seen ▁major ▁rest oration ▁by ▁residents ▁of ▁neighborhood s ▁in ▁collaboration ▁with ▁the ▁City . ▁ ▁Description ▁ ▁R aven na ▁Park ▁contains ▁ ▁and ▁was ▁purchased ▁from ▁developers ▁in ▁ 1 9 1 1 . ▁Cow en ▁Park ▁covers ▁. ▁The ▁current ▁source ▁of ▁R aven na ▁Creek ▁is ▁the ▁west ▁face ▁of