Margaret Miles (miller) Cooper ( 1874 - 1965 ) was an American painter. Margaret Miles (miller) Cooper s works have been put up for auction numerous times, with realized prices varying from 3290 USD for River Boats, Hamburg Cove in 2005 to 3737 USD for SAMARKAND GARDEN, SANTA BARBARA, CAL in 2005 , based on the size and medium of the artwork.