ay ae ▁member ▁have ▁been ▁found ▁the ▁remains ▁of ▁Austral op it he cus ▁gar hi , ▁the ▁most ▁complete ▁spec imen ▁of ▁which ▁is ▁BO U - VP - 1 2 / 1 3 0 . ▁According ▁to ▁As f aw ▁and ▁White , ▁et ▁al . ▁( 1 9 9 9 ), ▁that ▁species ▁is ▁" .. desc ended ▁from ▁Austral op it he cus ▁af ar ensis ▁and ▁is ▁a ▁candidate ▁ancest or ▁for ▁early ▁H omo ." ▁ ▁Ex c av ations ▁in ▁general ▁have ▁failed ▁to ▁disc lose ▁large ▁numbers ▁of ▁stone ▁tools . ▁The ▁likely ▁explanation ▁is ▁the ▁lack ▁of ▁raw ▁materials ▁on ▁lake ▁marg ins , ▁which , ▁in ▁turn , ▁is ▁likely ▁due ▁to ▁the ▁lack ▁of ▁streams ▁strong ▁enough ▁to ▁carry ▁hand - s ized ▁p eb bles ▁and ▁the ▁absence ▁of ▁nearby ▁out cro ps ▁of ▁bas alt . ▁ ▁In ▁spite ▁of ▁r ar ity , ▁some ▁isolated ▁and ▁widely ▁scattered ▁cores ▁and ▁fla kes ▁of ▁Mode ▁I ▁technology ▁have ▁been ▁found . ▁The ▁exc av ators ▁( de ▁Hein zel in , ▁et ▁al ., ▁ 2 0 0 2 ) ▁report : ▁" .. our ▁surve ys ▁and ▁exc av ations ▁have ▁demonstrated ▁that ▁early ▁hom in ids ▁[ h omin ins ] ▁were ▁act ively ▁using ▁stone ▁tools ▁on ▁the ▁P li oc ene - H ata ▁landscape "; ▁and : ▁" It ▁is ▁not ▁currently ▁possible ▁to ▁posit ively ▁identify ▁the ▁cre ators ▁of ▁the ▁earliest ▁stone ▁tools