▁longest ▁play offs ▁losing ▁stre aks ▁ ▁National ▁Basketball ▁Association ▁longest ▁losing ▁stre aks ▁Category : List s ▁of ▁worst s <0x0A> </s> ▁Ke os au qua ▁( ▁) ▁is ▁a ▁city ▁in ▁Van ▁Bur en ▁County , ▁Iowa , ▁United ▁States . ▁The ▁population ▁was ▁ 1 , 0 0 6 ▁at ▁the ▁ 2 0 1 0 ▁census . ▁It ▁is ▁the ▁county ▁seat ▁of ▁Van ▁Bur en ▁County . ▁ ▁History ▁ ▁Ke os au qua ▁was ▁laid ▁out ▁in ▁ 1 8 3 9 . ▁The ▁word ▁Ke os au qua ▁der ives ▁from ▁the ▁M esk w aki ▁and ▁Sau k ▁name ▁for ▁the ▁Des ▁Mo ines ▁River , ▁" Ke - o - s aw - qua ", ▁which ▁literally ▁transl ates ▁as ▁" B end ▁in ▁the ▁River ". ▁ ▁The ▁Hotel ▁Mann ing , ▁a ▁three - story ▁re lic ▁from ▁the ▁Des ▁Mo ines ▁River ' s ▁steam bo at ▁days , ▁is ▁Ke os au qua ' s ▁most ▁notable ▁land mark . ▁ ▁Its ▁unique ▁Ste am bo at ▁Goth ic ▁architecture ▁m im ics ▁river bo ats ▁of ▁the ▁mid - 1 8 0 0 s . ▁The ▁hotel ▁was ▁placed ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places ▁in ▁April , ▁ 1 9 7 3 . ▁ ▁Also ▁located ▁in ▁Ke os au qua ▁are ▁many ▁other ▁notable ▁historic ▁sites . ▁The ▁ 1 8 4 7 ▁Pear son ▁House ▁was ▁a ▁stop ▁on ▁the ▁under ground ▁rail road .