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How services are shown on topographical maps.

Answer Text:
How services are shown on topographical maps.
a) Trade
- May be suggested on maps by presence of:
- Shops
- Markets
- Stores
- Trading centers
b) Transport
i) Land
- Roads
o All weather roads- which are used all year round i.e. tarmac and marram roads.
o Dry weather roads- which are used reliably during dry seasons.
o Motorable trucks- rough roads which are used by people on
foot and by vehicles on dry season. - Other trucks and foot paths
- Railways, station, sliding, level crossing lines and railways light
ii) Air
- Air fields
- Airports
- Air strips
iii) Water
- Ferries
- Bridges