Topographical Sheets — Geography STD 11 Arts — Question
Gujarat BoardEnglish MediumSTD 11 ArtsGeographyTopographical Sheets2 Marks
Question
What is an index Number $?$
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Answer
A further $16$ subtypes of each degree map are provided for the purpose of showing more details of regions more accurately. The number given in the map according to this method is called the "indicator number" of the map.
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