Related Clues:

• Picture in a picture
• Atlas picture
• Boxed-off map section
• Gem's plane
• Section for Hawaii or Alaska, maybe
• __ initial: large-type first character of a book chapter
• Map detail, often
• More detailed map
• Map addition
• Spot for Hawaii and Alaska, often
• Certain blowup
• Atlas detail
• Gem feature
• Atlas enlargement, often
• Gem's cut surface