what is the meaning of 45D/7 or 45D/10 in the Geography topo Map
Answers
Answer:
The meaning of 45D/7 or 45D/10 in the Geography topo Map is the map sheet number in a series of maps.
Answer:
In a geographical Topo map, 45D/7 represents an area which would be in the 45th section, D segment and 7 subsection.
45D/10 represents the area in the 10th subsection of the D segment in the 45 section.
Explanation:
Topographic maps, popularly known as "Topo" maps, are the ones that represent and display large scale data and information regarding the topography and ground relief in an area. This includes roads, water bodies, forest areas, population density, and importantly, terrain, landforms, and elevations. This is made possible by using contour lines.
Contour lines or isolines represent topographies having equal elevation or height, joining these points with straight or curved lines.
For the better understanding, each map would be divided into equal segments called "sections". This is adopted from the township and range survey method used in the US. Each segment would be numbered and further divided into equal segments and named with one alphabet. These segments, named with an alphabet, would be further divided into equal segments and named with numbers. These multiple segmentations are more likely to be in maps representing larger areas of extent.
The number 45D/7 in a geographical Topo map represents a region in the map which falls in the 7th subsection of the segment named D in the 45th section. 45D/10 is the area in the 10th subsection of the same segment and section. That is, the segment named "D" in section 45.
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