base of mountains?

feature? #900189
created 2018-05-15 by mpimport
location: 42°9'21"N, 112°0'25"W   
assertion #3420186 by mpimport on 2018-05-15: confidence 0%.
forms the boundary of: Dayton Ward   
entity #25992, assertion #3011903 by mpimport on 2018-05-15: confidence 100%.
is accurate within: 1000-10000 m?   
assertion #3430185 by mpimport on 2018-05-15: confidence 0%.