It's claimed the maps used to draw up the route for the new high speed rail link could be out of date.
The track, which links London to Leeds, cuts over stretches of the Chesterfield Canal.
But documents regarding the construction of the link, which were submitted to the government in March 2012, failed to include Staveley Town Basin that was completed more than a year ago.
It has also been claimed a 600 metre stretch of restored waterway is missing from the map.
Robin Stonebridge is from the Chesterfield Canal Trust.
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