▁central ▁part ▁and ▁Wild hor se , ▁ ▁Buff alo , ▁and ▁White ▁Woman ▁C ree ks ▁in ▁the ▁eastern ▁part . ▁ ▁The ▁draw s ▁tend ▁to ▁be ▁ ▁inter mitt ent , ▁however ▁Ad obe - J oh ns , ▁R ush ▁and ▁Big ▁Sand y ▁C ree ks ▁have ▁small ▁continuous ▁flows ▁during ▁ ▁wet ter ▁years . ▁Each ▁of ▁these ▁cre eks ▁ultimately ▁d rain ▁to ▁the ▁Ark ansas ▁River . ▁ ▁Ad j acent ▁count ies ▁ ▁Che y enne ▁County ▁- ▁north ▁ ▁Gree ley ▁County , ▁Kansas ▁- ▁east ▁ ▁Bent ▁County ▁- ▁south ▁ ▁P row ers ▁County ▁- ▁south ▁ ▁O tero ▁County ▁- ▁south west ▁ ▁Crow ley ▁County ▁- ▁west ▁ ▁Lincoln ▁County ▁- ▁north west ▁ ▁National ▁protected ▁area ▁ ▁Sand ▁Creek ▁Mass acre ▁National ▁Historic ▁Site ▁ ▁B icy cle ▁route ▁ ▁Trans America ▁Tra il ▁B icy cle ▁Route ▁ ▁Dem ograph ics ▁ ▁As ▁of ▁the ▁census ▁of ▁ 2 0 0 0 , ▁there ▁were ▁ 1 , 6 2 2 ▁people , ▁ 6 6 5 ▁households , ▁and ▁ 4 5 2 ▁families ▁res iding ▁in ▁the ▁county . ▁The ▁population ▁density ▁was ▁ 1 ▁people ▁per ▁square ▁mile ▁( 2 . 5 9 / km ²). ▁There ▁were ▁ 8 1 7 ▁housing ▁units ▁at ▁an ▁average ▁density ▁of ▁ 0 . 4 5 7 ▁per ▁square   mile ▁( 0 . 1 7 7 / km ²). ▁The ▁ra cial ▁make up ▁of