navigation improvements

URI: https://gptkb.org/prop/navigation_improvements
4 triples
GPTKB property
Random triples
Subject Object
gptkb:Sleaford_Lock Upgrades made for better access
gptkb:Marseilles_Lock_and_Dam enhanced river navigation
gptkb:Lock_and_Dam_2 ongoing projects
gptkb:Suez_Canal_Expansion safer passage for vessels