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gptkbp:instance_of
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gptkb:Lock
|
|
gptkbp:construction_material
|
concrete
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|
gptkbp:control_system
|
gptkb:Control
|
|
gptkbp:elevation
|
21 feet
|
|
gptkbp:environmental_impact
|
minimal
|
|
gptkbp:flood_control
|
yes
|
|
gptkbp:has_visitor_center
|
yes
|
|
gptkbp:historical_significance
|
important for Great Lakes shipping
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Sault Ste. Marie Lock
|
|
gptkbp:length
|
1,200 feet
|
|
gptkbp:location
|
gptkb:Sault_Ste._Marie,_Michigan
|
|
gptkbp:maintenance
|
regular inspections and repairs
|
|
gptkbp:navigation_system
|
lighted buoys
|
|
gptkbp:number_of_rooms
|
one
|
|
gptkbp:opened
|
1881
|
|
gptkbp:operated_by
|
gptkb:U._S._Army_Corps_of_Engineers
|
|
gptkbp:operating_hours
|
24 hours a day
|
|
gptkbp:part_of
|
gptkb:Saint_Marys_River
|
|
gptkbp:passenger_traffic
|
over 10,000 vessels
|
|
gptkbp:safety_features
|
emergency stop gates
|
|
gptkbp:significance
|
facilitates shipping between Lake Superior and Lake Huron
|
|
gptkbp:tourist_attraction
|
yes
|
|
gptkbp:type
|
navigation lock
|
|
gptkbp:width
|
110 feet
|
|
gptkbp:bfsParent
|
gptkb:Sault_Ste._Marie
|
|
gptkbp:bfsLayer
|
5
|