▁met at ars al ▁din osa ur ▁tracks , ▁together ▁with ▁a ▁few ▁pure ▁and ▁simple ▁f akes ." ▁ ▁The ▁family ▁of ▁George ▁Adams , ▁who ▁claimed ▁to ▁have ▁found ▁human ▁foot print s ▁in ▁the ▁Glen ▁Rose ▁Form ation , ▁later ▁admitted ▁that ▁Adams ' ▁and ▁some ▁others ' ▁foss il ▁foot print s ▁were ▁a ▁ho ax . ▁Z ana ▁Douglas , ▁the ▁grand d augh ter ▁of ▁George ▁Adams , ▁explained ▁that ▁during ▁the ▁ 1 9 3 0 s ' ▁Great ▁De pression ▁her ▁grand father ▁and ▁other ▁residents ▁of ▁Glen ▁Rose ▁made ▁money ▁by ▁making ▁mo ons h ine ▁and ▁s elling ▁" din osa ur ▁foss ils ". ▁The ▁f aux ▁foss ils ▁brought ▁$ 1 5 ▁to ▁$ 3 0 ▁and ▁when ▁the ▁supply ▁ran ▁low , ▁they ▁" just ▁car ved ▁more , ▁some ▁with ▁human ▁foot print s ▁thrown ▁in ." ▁ ▁See ▁also ▁▁ ▁Ge ology ▁ ▁Pale ont ology ▁ ▁Trace ▁foss il ▁ ▁Sed iment ary ▁structures ▁ ▁List ▁of ▁Texas ▁state ▁par ks ▁ ▁References ▁ ▁External ▁links ▁▁▁ ▁Din osa ur ▁Valley ▁State ▁Park , ▁official ▁website ▁ ▁A ▁guide ▁to ▁the ▁state ▁park ▁by ▁Glen ▁J . ▁Kub an . ▁ ▁The ▁Texas ▁Din osa ur /" Man ▁Track " ▁Cont ro vers y ▁by ▁Glen ▁J . ▁Kub an ▁from ▁talk . orig ins ▁ ▁Category : F oss il ▁par ks ▁in ▁the ▁United ▁States ▁Category : F oss il ▁track ways ▁in ▁the ▁United