David travels by barge on the Chesapeake and Ohio Canal from his home in Georgetown to the Seneca Lockhouse where he helps his grandfather with his duties as keeper of the lock.
- ISBN10 0516087150
- ISBN13 9780516087153
- Publish Date 1 January 1978
- Publish Status Out of Print
- Out of Print 10 May 2014
- Publish Country US
- Imprint Children's Press(CT)
- Format Hardcover
- Pages 31
- Language English