Theme
Projection
Layers
Magnetic Anomalies
Strong Negative (-935 to -200 nT)
Moderate Negative (-200 to -80 nT)
Weak Negative (-80 to -30 nT)
Background (-30 to +30 nT)
Weak Positive (+30 to +80 nT)
Moderate Positive (+80 to +200 nT)
Strong Positive (+200 to +500 nT)
Extreme Positive (+500+ nT)
Bathymetry
Zone 0m
Zone 200m
Zone 1000m
Zone 2000m
Zone 3000m
Zone 4000m
Zone 5000m
Zone 6000m
Zone 7000m
Zone 8000m
Zone 9000m
Zone 10000m
Contour lines shallow
Contour lines medium
Contour lines deep
Waterways
Rivers
Lakes
Ferries
Fairways & Canals
Boundaries
Hazards
Reefs
Shoals
Restricted zones
Danger zones
Tidal areas
Seamarks
Lights & Lighthouses
Buoys
Beacons
Moorings
Landmarks & Signals
Notices
Dangers (rocks, wrecks)
Structures
Zones & Anchorages
Ports
Marinas
Industrial / Commercial
Harbours
Bridges
Motorway / Trunk
Primary / Secondary
Railway
Infrastructure
Piers
Breakwaters & Groynes
Quays
Labels
Regions & Continents
Seas & Oceans
Countries
Cities
Zoom: 6.0