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Oklahoma has 41 state parks, two national protected forests or grasslands, [12] and a network of wildlife preserves and conservation areas. Six percent of the state's 10 million acres (40,000 km 2 ) of forest is public land, [ 11 ] including the western portions of the Ouachita National Forest , the largest and oldest national forest in the ...
A contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes. [4] The contour interval of a contour map is the difference in elevation between successive contour lines. [5] The gradient of the function is always perpendicular to the contour ...
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Land forms are shown using contour lines. The contour interval is normally 5 metres, but other interval such as 2 or 2.5 metres may be used in sprint maps. Additional symbols are provided to show e.g. earth bank, knoll, depression, small depression, pit, broken ground etc.
Section of topographical map of Nablus area with contour lines at 100-meter intervals. Heights are colour-coded. Heights are colour-coded. In modern mapping, a topographic map or topographic sheet is a type of map characterized by large- scale detail and quantitative representation of relief features, usually using contour lines (connecting ...
A contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness of slopes. The contour interval of a contour map is the difference in elevation between successive contour lines.
A topographic profile or topographic cut or elevation profile is a representation of the relief of the terrain that is obtained by cutting transversely the lines of a topographic map. Each contour line can be defined as a closed line joining relief points at equal height above sea level. [ 1 ]