gptkbp:instanceOf
|
gptkb:infrastructure_project
|
gptkbp:annualVisitors
|
over 40 million tons
|
gptkbp:benefits
|
industrial regions
|
gptkbp:challenges
|
climate change
sedimentation
maintenance costs
|
gptkbp:collaborations
|
gptkb:Canada
gptkb:United_States
|
gptkbp:connects
|
gptkb:Atlantic_Ocean
gptkb:Great_Lakes
|
gptkbp:constructionMaterial
|
$470 million
|
gptkbp:date
|
April 25, 1959
|
gptkbp:economicImpact
|
supports thousands of jobs
|
gptkbp:environmentalImpact
|
implemented
altered ecosystems
|
gptkbp:facilitates
|
trade
|
gptkbp:finaleDate
|
1959
|
gptkbp:futurePlans
|
sustainability initiatives
upgrades
technological improvements
|
gptkbp:historicalSignificance
|
economic development
|
https://www.w3.org/2000/01/rdf-schema#label
|
St. Lawrence Seaway project
|
gptkbp:includes
|
locks
dams
|
gptkbp:launchDate
|
1954
|
gptkbp:length
|
2,342 miles
|
gptkbp:location
|
gptkb:North_America
|
gptkbp:majorCities
|
gptkb:Cleveland
gptkb:Chicago
gptkb:Toronto
gptkb:Montreal
gptkb:Buffalo
Duluth
|
gptkbp:navigationEquipment
|
April to December
|
gptkbp:opened
|
April 25, 1959
|
gptkbp:operatedBy
|
gptkb:St._Lawrence_Seaway_Authority
|
gptkbp:operationalStatus
|
active
|
gptkbp:previousName
|
gptkb:MV_E.M._Ford
|
gptkbp:purpose
|
navigation
|
gptkbp:relatedPatent
|
gptkb:Intercoastal_Waterway
gptkb:Great_Lakes_Waterway
gptkb:Panama_Canal_expansion
Mississippi_River_navigation_improvements
|
gptkbp:significance
|
international shipping
|
gptkbp:supports
|
tourism
|
gptkbp:triggerType
|
gptkb:St._Lawrence_River_locks
gptkb:Welland_Canal
Seaway locks
|