leton ▁ever ▁found ▁at ▁the ▁time . ▁The ▁exc av ation ▁of ▁the ▁spec imen ▁was ▁fund ed ▁by ▁many ▁organizations ▁at ▁both ▁the ▁national ▁and ▁state ▁levels . ▁Among ▁the ▁exc av ators ▁were ▁Dr . ▁Holland , ▁Jack ▁W . ▁C raw ford , ▁and ▁Michael ▁F . ▁Arch bold ▁from ▁the ▁Department ▁of ▁Ge ology ▁at ▁the ▁University ▁of ▁North ▁Dak ota ▁at ▁Grand ▁F ork s . ▁Marshall ▁Lam bert ▁of ▁E kal aka , ▁Mont ana ▁was ▁another ▁particip ant . ▁Between ▁ 1 9 6 3 ▁and ▁ 1 9 6 6 ▁several ▁significant ▁Ple ist oc ene ▁m amm al ▁sk ull s ▁were ▁discovered ▁in ▁North ▁Dak ota ▁and ▁were ▁described ▁for ▁the ▁scientific ▁literature . ▁ ▁People ▁Charles ▁Lewis ▁Camp ▁was ▁born ▁in ▁Jam est own ▁on ▁ 1 2 ▁March , ▁ 1 8 9 3 . ▁ ▁Natural ▁history ▁museum s ▁Dak ota ▁Din osa ur ▁Museum , ▁Dick inson ▁ ▁See ▁also ▁▁ ▁Pale ont ology ▁in ▁Minnesota ▁ ▁Pale ont ology ▁in ▁Mont ana ▁ ▁Pale ont ology ▁in ▁South ▁Dak ota ▁ ▁Foot notes ▁ ▁References ▁▁ ▁Ever hart , ▁M . ▁J . ▁ 2 0 0 5 . ▁O ce ans ▁of ▁Kansas ▁- ▁A ▁Natural ▁History ▁of ▁the ▁Western ▁Inter ior ▁Sea . ▁Indiana ▁University ▁Press , ▁ 3 2 0 ▁pp . ▁ ▁Mayor , ▁Adri enne . ▁F oss il ▁Leg ends ▁of ▁the ▁First ▁Americans . ▁Pr inc eton ▁University ▁Press . ▁