Related Clues:

• Famous muscle man
• Do lab work on
• Diagram of roads and such
• Travel guide feature
• Mythical holdup man?
• Atlas part
• Guidebook feature
• Treasure seeker's help
• Cartography sample
• War Room staple
• Book with routes
• Clinical study
• Travel guide
• Take a header, e.g.
• Globe-trotter's reference