- Soft Launch (no ramp-canoe/kayak)
- Public Boat Ramp
- Private Boat Ramp
- C&O Canal Mile Marker
- Power Tower
- WM Rail Trail Mile Marker
- Campsite
“H/B” – Hiker/Biker Campsite – no vehicle access
- C&O Canal Lock
- Cave
- Peaks, Summits
- Water Flow Direction
- Stream
- Rock Shelf
- Road Centerline
- Interstate
- C&O Canal Towpath
- Trail
- Western MD Rail Trail
- Future Rail Trail
- Railroad — Active
- Railraod — Inactive
- Power Line
- Tunnel
- Bridge
- Bridge Ruins
- Building Footprint
- Fort Frederick
- Runway
- Paved Surface
- Unpaved Surface
- Dam
- Canal
- Island
- No Wake Zone
- Restricted Area
- Rapids
- River
- Lake/Pond
- Subdivision
- Private Club
- State Park or Forest
- National Park or Forest
- Municipal Boundary
- County Boundary
- State Boundary
- Map scale — 1:12,000
- (1 inch = 1,000 feet)
-
Maryland State Plane FIPS 1900 (US Feet)
Datum: NAD 1983
Projection: Lambert Conformal Conic
- Elevation Contours (feet)
- 100
- 50
- 40, 60 (WV counties only)
- River length in Washington County: 83 miles/93 kilometers (approximate)
- River elevation (above sea level) in Washington County: 420′ max/229′ min
- C&O Canal length in Washington County: 79 miles/127 kilometers (approximate)
- C&O Canal elevation (above sea level) in Washington County: 445′ max/242′ min