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PS/ES ENR
Rules for Contour Lines: General Topographic Awareness
1. Contour Interval:
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2. Rule of Vs (stream flow direction)
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3. Closely packed contour lives vs. widely spaced contour lines (Gradient)
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4. What hills look like…
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5. Maximum elevation of a hill
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6. Depression contours:
a) Appearance
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b) Rule for reading elevation of depression contours
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