Posted 6:42 PM 7/29/2012 : Clark Days (re)introduce another pioneer
POMPEY'S PILLAR - Clark Days at the historic site of Pompey's Pillar marks the spot - and date - where Captain William Clark engraved his name on July 25, 1806 in the 150-foot sandstone butte.
But it also is the spot where John Blake, one of the first land surveyors in Montana, made his