5 - 1 4 5 0 ▁and ▁as ▁the ▁name ▁suggests ▁its ▁distribution ▁cent ers ▁on ▁the ▁Phoenix ▁bas in , ▁but ▁distribution ▁extends ▁east ▁to ▁the ▁Cl iff ▁Valley ▁and ▁is ▁extends ▁from ▁the ▁Ver de ▁Valley ▁in ▁the ▁north ▁to ▁the ▁Douglas , ▁Arizona ▁area ▁in ▁the ▁south ▁( Ne uz il ▁and ▁Ly ons ▁ 2 0 0 5 ). ▁ ▁Din w idd ie ▁Pol ych rome ▁ ▁Din w idd ie ▁Pol ych rome ▁is ▁also ▁defined ▁by ▁bow ls ▁with ▁rec ur ved ▁r ims ▁and ▁dates ▁to ▁AD ▁ 1 3 7 5 - 1 4 5 0 . ▁Dec oration ▁on ▁this ▁type ▁is ▁restricted ▁to ▁the ▁exterior ▁of ▁vessels ▁with ▁the ▁interior ▁being ▁sm ud ged ▁( Ne uz il ▁and ▁Ly ons ▁ 2 0 0 5 ). ▁ ▁Din w idd ie ▁Pol ych rome ▁has ▁a ▁very ▁restricted ▁spatial ▁distribution ▁and ▁may ▁" not ▁occur ▁west ▁of ▁a ▁line ▁drawn ▁through ▁Kin ish ba , ▁near ▁Wh iter iver , ▁and ▁the ▁N ine ▁M ile ▁site , ▁near ▁B owie ▁[ A rizona ]" ▁( Ne uz il ▁and ▁Ly ons ▁ 2 0 0 5 : ▁ 3 0 ). ▁In ▁Crown ’ s ▁ 1 9 9 4 ▁study , ▁although ▁she ▁did ▁not ▁name ▁this ▁type , ▁she ▁noted ▁that ▁Ro ose vel t ▁Red ▁W are ▁bow ls ▁exhib iting ▁sm ud ged ▁inter iors ▁were ▁conf ined ▁to ▁a ▁limited ▁ge ographical ▁range . ▁