How to Read a Topographical Map USDA

How To Read A Topographical Map Usda-Free PDF

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How to Read a Topographical Map, Individual contour lines on a topographical map are a fixed interval. of elevation apart known as a contour interval Common contour. intervals are 5 10 20 40 80 or 100 feet The actual contour. interval of a map depends upon the topography being represented. as well as the scale of the map If you look at the areas marked. with an orange box on this map you will see contour elevation. numbers This is the elevation of the contour line relative to mean. How to Read a Topographical Map, Contour lines that are relatively close together indicate a slope that. is fairly steep Contour lines that are further apart indicates a slope. that is relatively flat The area of the map above boxed in orange. shows an area that has a fairly steep slope while the area boxed in. purple is a relatively flat area,How to Read a Topographical Map. Contour lines on the map also show how water will travel across. the land Contours that form a V can you tell which direction. water will flow The bottom of the V points in the upstream. direction The orange line above shows the direction water would. flow on this section of the map,How to Read a Topographical Map. Other features such as land cover roadways buildings and. structures municipal boundaries and water features are also shown. on topographical maps Water features such as streams wetlands. rivers drainage ditches lakes and ponds are usually illustrated as. blue lines or blue colored areas,How to Read a Topographical Map.
Area 3 Area 2, Land use on a topographical map is indicated by colors and. symbols Wooded areas and other areas vegetated heavily with. trees and brush are green Areas that have been cleared of trees. areas that are farmed and open fields are white Areas that are. urbanized may be green white or gray Area 1 in the illustration. above is wooded Area 2 is a farm field Area 3 contains houses. and streets,How to Read a Topographical Map, Symbols are used to indicate features on the map For example. major highways are red lines while other roads and streets are. black lines House and buildings are usually black boxes. rectangles or other geometric shapes When reading a. topographical map try to utilize a map index that contains the. How to Read a Topographical Map Land use on a topographical map is indicated by colors and symbols Wooded areas and other areas vegetated heavily with trees and brush are green Areas that have been cleared of trees areas that are farmed and open fields are white Areas that are urbanized may be green white or gray Area 1 in the illustration above is wooded Area 2 is a farm field

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