Map Sheet References / Map Code (Grade 12 NSC Matric Geography): Flashcards
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Map sheet reference definition
Map sheet reference definition
Title/name of a topographical map
First 2 numbers in map ref (e.g. 33 in 3318CD)
First 2 numbers in map ref (e.g. 33 in 3318CD)
Latitude line
Last 2 numbers in map ref (e.g. 18 in 3318CD)
Last 2 numbers in map ref (e.g. 18 in 3318CD)
Longitude line
Big blocks in map system
Big blocks in map system
4 large squares (A,B,C,D) within lat/long area
Small blocks in map system
Small blocks in map system
4 smaller squares (A,B,C,D) within each big block
First letter in map ref (e.g. C in 3318CD)
First letter in map ref (e.g. C in 3318CD)
Big block (A, B, C, or D)
Latitude change when moving north
Latitude change when moving north
Decreases by 1°
Latitude change when moving south
Latitude change when moving south
Increases by 1°
Longitude change when moving east
Longitude change when moving east
Increases by 1°
Longitude change when moving west
Longitude change when moving west
Decreases by 1°