|
gptkbp:instance_of
|
gptkb:Lock
|
|
gptkbp:city
|
Alton
|
|
gptkbp:community_events
|
hosted annually
|
|
gptkbp:community_impact
|
supports local economy
|
|
gptkbp:constructed_in
|
gptkb:U._S._Army_Corps_of_Engineers
|
|
gptkbp:construction_cost
|
$2 million
|
|
gptkbp:construction_material
|
reinforced concrete
|
|
gptkbp:construction_started
|
1934
1937
|
|
gptkbp:control_system
|
yes
|
|
gptkbp:dam_type
|
concrete
|
|
gptkbp:educational_programs
|
offered
|
|
gptkbp:emergency_services
|
flood response
coordinated with local agencies
flood evacuation plans
|
|
gptkbp:environmental_impact
|
altered river ecosystem
|
|
gptkbp:famous_landmark
|
yes
|
|
gptkbp:fishing_regulations
|
available
|
|
gptkbp:flood_control
|
yes
|
|
gptkbp:has_meetings
|
held regularly
|
|
gptkbp:has_visitor_center
|
yes
|
|
gptkbp:height
|
30 feet
|
|
gptkbp:historical_significance
|
critical for shipping
part of the Upper Mississippi River Navigation Project
|
|
gptkbp:historical_tours
|
available
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Lock and Dam 6
|
|
gptkbp:is_monitored_by
|
installed
|
|
gptkbp:key_concept
|
gptkb:1
|
|
gptkbp:length
|
1,200 feet
|
|
gptkbp:lifespan
|
gptkb:50_years
|
|
gptkbp:location
|
gptkb:Mississippi_River
|
|
gptkbp:lock_chamber_dimensions
|
110 feet wide
600 feet long
|
|
gptkbp:lockage_fees
|
charged
|
|
gptkbp:maintenance
|
gptkb:U._S._Army_Corps_of_Engineers
regular inspections
|
|
gptkbp:navigation_channel_depth
|
9 feet
|
|
gptkbp:navigation_system
|
April to November
|
|
gptkbp:navigation_traffic
|
commercial and recreational
|
|
gptkbp:opened
|
1937
|
|
gptkbp:operating_hours
|
24/7
|
|
gptkbp:operational_status
|
active
|
|
gptkbp:part_of
|
gptkb:Upper_Mississippi_River_System
|
|
gptkbp:partnerships
|
with local governments
|
|
gptkbp:power_source
|
no
|
|
gptkbp:public_access
|
available
|
|
gptkbp:purpose
|
gptkb:navigation
|
|
gptkbp:research_opportunities
|
available for studies
|
|
gptkbp:reservoir
|
gptkb:Lake_Pepin
|
|
gptkbp:restoration
|
ongoing efforts
|
|
gptkbp:river
|
gptkb:Mississippi_River
|
|
gptkbp:safety_features
|
warning systems
|
|
gptkbp:spillway_type
|
yes
|
|
gptkbp:sustainability_practices
|
implemented.
|
|
gptkbp:tourist_attraction
|
yes
|
|
gptkbp:type
|
navigation lock
|
|
gptkbp:upgrades
|
ongoing improvements
|
|
gptkbp:water_management
|
controlled
|
|
gptkbp:water_quality
|
conducted
|
|
gptkbp:wildlife
|
supports diverse species
|
|
gptkbp:bfsParent
|
gptkb:Upper_Mississippi_River
|
|
gptkbp:bfsLayer
|
7
|