▁region ▁interact ed . ▁The ▁large ▁area ▁of ▁interaction ▁is ▁indicated ▁by ▁the ▁presence ▁of ▁A den a - style ▁m ounds , ▁the ▁presence ▁of ▁ex otic ▁goods ▁from ▁other ▁parts ▁of ▁the ▁interaction ▁spher es , ▁and ▁the ▁participation ▁in ▁the ▁" E ar ly ▁Wood land ▁Bur ial ▁Complex " ▁defined ▁by ▁William ▁R itch ie ▁ ▁Pot tery ▁Pot tery ▁was ▁widely ▁manufact ured ▁and ▁sometimes ▁trad ed , ▁particularly ▁in ▁the ▁Eastern ▁Inter ior ▁region . ▁Clay ▁for ▁pot tery ▁was ▁typically ▁temper ed ▁( m ixed ▁with ▁non - cl ay ▁add it ives ) ▁with ▁g rit ▁( cr ushed ▁rock ) ▁or ▁lim estone . ▁P ots ▁were ▁usually ▁made ▁in ▁a ▁con oid al ▁or ▁con ical ▁j ars ▁with ▁rounded ▁shoulders , ▁slightly ▁con str icted ▁ne cks , ▁and ▁fl aring ▁r ims . ▁Pot tery ▁was ▁most ▁often ▁decor ated ▁with ▁a ▁variety ▁of ▁linear ▁or ▁p addle ▁st amps ▁that ▁created ▁" dent ate " ▁( to oth - like ) ▁impress ions , ▁w avy ▁line ▁impress ions , ▁checked ▁surfaces , ▁or ▁fabric - im pressed ▁surfaces , ▁but ▁some ▁p ots ▁were ▁inc ised ▁with ▁geometric ▁patterns ▁or , ▁more ▁rarely , ▁with ▁p ict orial ▁imag ery ▁such ▁as ▁faces . ▁P ots ▁were ▁co iled ▁and ▁p add led ▁entirely ▁by ▁hand ▁without ▁the ▁use ▁of ▁fast ▁rotation ▁such ▁as ▁a ▁pot tery ▁wheel . ▁Some ▁were ▁sli pped ▁or ▁br ushed ▁with ▁red ▁och