▁Native ▁ground ▁is ▁the ▁land ▁belonging ▁to ▁a ▁native ▁( part icular ) ▁area , ▁tribe ▁( as ▁in ▁Native ▁American ▁or ▁other ▁ind igen ous ▁people ), ▁etc . ▁ ▁Native ▁ground ▁may ▁also ▁refer ▁to : ▁ ▁Native ▁Gr ound , ▁a ▁ 1 9 7 9 ▁poem ▁by ▁Robert ▁Min h inn ick ▁On ▁Native ▁Gr ound : ▁Mem oir s ▁and ▁Im press ions , ▁an ▁aut obi ography ▁by ▁Jim ▁Bar nes ▁On ▁Native ▁Gr ounds , ▁a ▁ 1 9 4 2 ▁literary ▁work ▁by ▁Alfred ▁Kaz in <0x0A> </s> ▁The ▁El ▁Sal to ▁Form ation ▁is ▁a ▁ge olog ic ▁formation ▁in ▁Nic ar agua . ▁It ▁pres erves ▁foss ils ▁d ating ▁back ▁to ▁the ▁P li oc ene ▁period . ▁ ▁F oss il ▁content ▁▁ ▁Myst ic eti ▁ind et . ▁ ▁See ▁also ▁▁▁ ▁List ▁of ▁foss il ifer ous ▁strat ig raph ic ▁units ▁in ▁Nic ar agua ▁ ▁References ▁ ▁Further ▁reading ▁▁ ▁S . ▁G . ▁Lucas , ▁R . ▁Gar cia , ▁E . ▁Esp ino za , ▁G . ▁E . ▁Al var ado , ▁L . ▁H . ▁de ▁M endo za ▁and ▁E . ▁V ega . ▁ 2 0 0 8 . ▁The ▁foss il ▁m amm als ▁of ▁Nic ar agua . ▁New ▁Mexico ▁Museum ▁of ▁Natural ▁History ▁and ▁Science ▁Bul letin ▁ 4 4 : 4 1 7 - 4 2 9 ▁ ▁Category : Ge olog ic ▁form ations ▁of ▁Nic