Compare the present length of the meandering Souris River course shown on the map with the length of a river flowing down this valley if it were not meandering. (You can measure the distance with a piece of string, or your instructor can show you a more precise method.)
The following questions are based on Map T-4, a portion of the “Voltaire, North Dakota” quadrangle (scale 1:24,000; contour interval 5 feet) and Figure 40-4, a stereogram of the same region showing the Souris River (48°06'23"N, 100°48'05"W).
(a) Length of present meandering course: __________ miles
(b) Length of a straight course down the valley: __________ miles
(a) about 13.5
(b) about 4.5
You might also like to view...
Much of the north-central United States is actually overlain by ice-deposited material called ________
A) till B) shield C) tallons D) debris E) sediments
Discuss the publication of the world’s first geologic map. Who published it? What area did it
cover? What was the purpose of this map? What will be an ideal response?
Secondary pollutants are created by
A) secondary industrial processes B) reaction of primary pollutants in the atmosphere C) mobile sources, such as automobiles D) reaction of ozone with ultraviolet light
A medium (such as water) that picks up, moves, and eventually lays down pieces of broken or dissolved rock matter is called a geomorphic _______________
Fill in the blank(s) with correct word