Related Clues:

• Lines linking places of equal barometric pressure
• Ways, routes
• City thoroughfares
• Pathways
• Lines of equal barometric pressure
• Lines on map indicating atmospheric pressure
• Are the rest set to make inroads into them?
• Bourbon and Wall, e.g
• Put nothing into X-ray units for the RDS
• City routes
• Block definers
• Forecaster's lines
• They may have soft shoulders
• See 10
• See 16