A contour line is a line drawn on a topographic map to indicate ground elevation or depression. A contour interval is the vertical distance or difference in elevation between contour lines. Index contours are bold or thicker lines that appear at every fifth contour line.
We are trekking to base camp Everest to raise funds for a local Charity, Which aid peoples lives in their final days. Please Share the...
If you have not done so already your preparation for the winter . Things to consider, silicone spray for external jackets , mittens ,...
Morning Even though winter not fully on us at the moment the temperature changes are noticeably. There are still Walker roaming the...
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