|
gptkbp:instanceOf
|
infrastructure
|
|
gptkbp:annualVisitors
|
over 40 million tons
|
|
gptkbp:challenges
|
climate change
funding
sedimentation
|
|
gptkbp:connects
|
gptkb:Atlantic_Ocean
gptkb:Great_Lakes
|
|
gptkbp:constructionMaterial
|
1959
|
|
gptkbp:constructionStarted
|
1954
|
|
gptkbp:country
|
gptkb:Canada
gptkb:United_States
|
|
gptkbp:economicImpact
|
trade
|
|
gptkbp:environmentalImpact
|
invasive species
water quality
ecosystem changes
|
|
gptkbp:facilitates
|
international trade
|
|
gptkbp:funding
|
government
private investment
|
|
gptkbp:futurePlans
|
expansion
sustainability initiatives
upgrades
|
|
gptkbp:historicalSignificance
|
trade route
international cooperation
engineering achievement
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
St. Lawrence Seaway system
|
|
gptkbp:includes
|
locks
dams
|
|
gptkbp:length
|
3,700 kilometers
|
|
gptkbp:location
|
gptkb:North_America
|
|
gptkbp:maintenance
|
ongoing
|
|
gptkbp:majorCities
|
gptkb:Cleveland
gptkb:Chicago
gptkb:Toronto
gptkb:Montreal
Duluth
|
|
gptkbp:managedBy
|
gptkb:U.S._Army_Corps_of_Engineers
|
|
gptkbp:opened
|
1959
|
|
gptkbp:operatedBy
|
gptkb:St._Lawrence_Seaway_Authority
|
|
gptkbp:primaryMission
|
navigation
|
|
gptkbp:relatedTo
|
gptkb:Mississippi_River_System
gptkb:St._Lawrence_River
gptkb:Panama_Canal
gptkb:Great_Lakes_Waterway
shipping industry
|
|
gptkbp:serves
|
commercial vessels
recreational vessels
|
|
gptkbp:supports
|
shipping
|
|
gptkbp:type
|
navigation_canal
|