Disambiguation evidence for Lock 21 of the Trent–Severn Waterway via surface form

"Lock 21 of the Trent–Severn Waterway"

Triples (1)

Triples where some other subject referred to this entity as "Lock 21 of the Trent–Severn Waterway".

Ashburnham neighbourhood of Peterborough → near →
"Lock 21 of the Trent–Severn Waterway"
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