Chief Ewing Flying Iron ( 1900 - ) is a painter. Chief Ewing Flying Iron s works have been put up for auction numerous times, with realized prices varying from 250 USD for ''Avery Pass'' Missoula Range, Montana Rockies in 2007 to 900 USD for Red Rock in Montana Big Horn Mountains near headwaters of the Little Big Horn River in 2010 , based on the size and medium of the artwork.