https://sfist.com/2017/05/10/lone_mountain_coffin_girl_mystery_s/
Lone Mountain 'Coffin Girl' Mystery Solved! Girl Identified By Local Relative's DNA: SFist
Dec 29, 2018 - Her name was Edith Howard Cook, and she died on October 13, 1876, just shy of her third birthday.
https://apps.usgs.gov/thesaurus/term-simple.php?thcode=1&code=q45124NEH4
Coffin Mountain
coffinmountain