'As stars are on a celestial navigators chart, so these are on charts for piloting'
landmarks (buoys)
NAVIGATION: As stars are on a celestial navigators chart, so these are on charts for piloting
As stars are on a celestial navigators chart, so these are on charts for piloting
As stars are on a celestial navigators chart, so these are on charts for piloting
NAVIGATION
landmarks buoys
NAVIGATION