Dave Powell ( 1954 - ) is an American painter. Dave Powell s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 100 USD for On the Bluffs and In the Coulees - The Men of the Sioux Fought Custer in 2004 to 3360 USD for Calhoun's Ridge in 2005 , based on the size and medium of the artwork.