Possible Clues:

• Watch chain
• 'Canyon With Crows' artist Georgia
• Painter Georgia known for large flowers and New Mexico landscapes
• 'Cow's Skull: Red, White and Blue' artist
• See 30-Across
• 'Mother of American modernism' Georgia
• Georgia --, American artist awarded the Presidential Medal of Freedom in 1977
• See 8
• Georgia who painted 'Cow's Skull With Calico Roses'
• Noted painter of flowers