The Chesapeake and Ohio Canal - Crossword Puzzle

All About The Chesapeake and Ohio Canal
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Across Entries
1 Also known as lock 21. (2 words)
3 Protected Harpers Ferry during the Civil War. (2 words)
4 This structure is 3118' long. (3 words)
6 Located at mile 122.5. (2 words)
7 Hiker-biker campsite located at mile 34.4. (2 words)
9 Widewater at mile 89.6
10 Largest aqueduct (3 words)
12 The canal begins here.
14 The Potomac _____.
15 It holds back the water.
16 C of C&O

Down Entries
2 This landing at mile 27.2 is named after this large tree. (2 words)
5 Constructed over the canal in 1832. (2 words)
8 _____, White and Blue
11 The last River crossing in Washington DC. (2 words)
13 4th of July (2 words)
17 Poison ____.