1) What is the contour interval on this map? __________ feet 2) What is the tota

Question

1) What is the contour interval on this map? __________ feet
2)What is the total relief of the area shown on the map?
3)What is the average annual discharge of the drainage basin? _________ cfs
4)find the small stream in the southwest portion of Section 21 on the Richardson Springs quadrangle. The scale on this map is such that 1 inch=2400 feet. What is the percent slope of the stream from where it crosses the 1400’ contour to where it crosses the 1300’ contour? ____________%

Explanation / Answer

1. The contour interval is 16.67 feet.

2. Relief is defined as the difference between the highest elevation and the lowest elevation of the area

In the given figure, the highest elevation is 1500 feet and the lowest elevation is 400 feet. so the total relief of the area is the subtraction of these two i.e 1500-400 = 1100 feet

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