▁In ▁ 2 0 0 0 , ▁he ▁don ated ▁part ▁of ▁his ▁fortune ▁to ▁build ▁an ▁arch ae ology ▁research ▁building ▁at ▁UN M . ▁( D ue ▁to ▁the ▁controvers ies ▁surrounding ▁his ▁career , ▁the ▁decision ▁to ▁name ▁the ▁new ▁building ▁after ▁him ▁was ▁question ed .) ▁When ▁H ib ben ▁died , ▁the ▁remainder ▁of ▁his ▁fortune ▁was ▁used , ▁as ▁he ▁had ▁directed , ▁to ▁end ow ▁scholar ships ▁at ▁UN M . ▁ ▁The ▁primary ▁source ▁of ▁the ▁controvers ies ▁was ▁H ib ben ' s ▁claim ▁to ▁have ▁found ▁a ▁depos it ▁with ▁pre - C lo vis ▁artifact s ▁( including ▁project ile ▁points , ▁which ▁he ▁term ed ▁" S and ia ▁points ") ▁in ▁Sand ia ▁C ave ▁( in ▁the ▁Sand ia ▁Mountains ▁near ▁Al bu quer que , ▁New ▁Mexico ). ▁H ib ben ▁believed ▁the ▁layers ▁to ▁be ▁about ▁ 2 5 , 0 0 0 ▁years ▁old , ▁much ▁older ▁than ▁the ▁Pale o - Ind ian ▁cult ures ▁previously ▁documented ▁in ▁the ▁U . S . ▁South west . ▁The ▁layers ▁also ▁included ▁the ▁b ones ▁of ▁Ple ist oc ene ▁species ▁such ▁as ▁cam els , ▁m ast od ons , ▁and ▁horses . ▁ ▁The ▁ 2 5 , 0 0 0 ▁year ▁age ▁for ▁the ▁" S and ia ▁Man " ▁depos its ▁was ▁a ▁best ▁guess ▁based ▁on ▁the ▁str ata ▁in ▁the ▁cave , ▁and ▁was ▁later ▁called ▁into ▁question , ▁in ▁part