Monday april 11

• 1
  
  Poolesville
  Town/Location
• 2
  
  Shinham Limestone Kilns
  Discovery at Mile 65.2
• 3
  
  Antietam Creek and Aqueduct
  Mile 69.4
• 4
  
  Potomac Bridge, Henry Kyd Douglas, and John Brown
  Mile 72.8
• 5
  
  Snyders Landing
  Mile 76.6
• 6
  
  Conococheague Aqueduct
  Discovery at Mile 99.6
• 7
  
  Licking Creek Aqueduct
  Mile 116.1
• 8
  
  Tonoloway Aqueduct
  Mile 123.0
• 9
  
  Town Creek Aqueduct
  Mile 162.4
• 10
  
  Sideling Hill Creek Aqueduct
  Mile 136.6