Possible Clues:

• Thank God - what one needs for the treasure is an outline of shady area!
• Atlas feature showing elevation
• Pilfer me a (anag) – model of elevations and depressions
• What often shows up as brown, purple or white?
• Where you can see your ups and downs planned
• Outstanding plan
• Plan that can be seen at various levels
• Model showing terrain features (2 words)
• Plan to give assistance to old woman - pennies
• An outstanding example of cartography