#GiantGeyser Last eruption: July 7, 2017. Previous to that: September 28, 2015. @YellowstoneNPS pic.twitter.com/1nABFrcYqB— Miguel (@miguelazos) July 8, 2017
#GiantGeyser Last eruption: July 7, 2017. Previous to that: September 28, 2015. @YellowstoneNPS pic.twitter.com/1nABFrcYqB