69 66 65 67 65 69 64 64 62 68 Draw contours on the following map using a contour interval of 5 feet. 61 63 63 60 64 60 60 60 60 56 59 58 57 56 Prey Stream 57 52 57 53 54 53 50 51 52 50 Assuming due North is at the top of this map, in which direction is Prey Stream flowing? 50 50 49 48 47 48 47 46 48 46 Raptor Lake elevation 45 ft 46

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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9:39 PM Wed Sep 27
n
Lab 2_Mapping (online edition)
69
66
65
67
65
Home Insert
69
64
64
62
Calibri Bold (Body)
68
61
63
63
60
Draw
64
60
60
Draw contours on the following map using a contour interval of 5 feet.
60
60
56
Layout
59
57
●●●
B
57
In addition to drawing contours, it's also important to
understand how to interpret and read them for data and
information. One useful data point that can be easily
calculated from a topographic map is gradient. Gradient
is defined as the difference between the vertical
elevation divided by the horizontal distance across a
map. It can also be represented as a slope calculation=
Rise/Run. In geology, we can use this to find out how
steep a hiking trail is, or how sharp a decline a stream
may flowing (and that's one factor we can use to
calculate its velocity and rate of discharge!)
58
Review
56
Prey Stream
52
I U
53
57
54
Vertical
53
View
50
51
aA ~ | ¦ ✓ A✓ | E✓
52
Assuming due North is at the top of this map, in which direction is Prey Stream flowing?
50
References
50
50
49
47
48
Steep
48
47
(CUNY Brooklyn College)
46
48
a
46
Raptor
Lake
GRADIENT
Very Steep 5280"/mile
elevation
45 ft
46
23% 0
2500 mile
Moderate 1000%/mile
Gentle
Flat
400 mile
0'/mile
Transcribed Image Text:9:39 PM Wed Sep 27 n Lab 2_Mapping (online edition) 69 66 65 67 65 Home Insert 69 64 64 62 Calibri Bold (Body) 68 61 63 63 60 Draw 64 60 60 Draw contours on the following map using a contour interval of 5 feet. 60 60 56 Layout 59 57 ●●● B 57 In addition to drawing contours, it's also important to understand how to interpret and read them for data and information. One useful data point that can be easily calculated from a topographic map is gradient. Gradient is defined as the difference between the vertical elevation divided by the horizontal distance across a map. It can also be represented as a slope calculation= Rise/Run. In geology, we can use this to find out how steep a hiking trail is, or how sharp a decline a stream may flowing (and that's one factor we can use to calculate its velocity and rate of discharge!) 58 Review 56 Prey Stream 52 I U 53 57 54 Vertical 53 View 50 51 aA ~ | ¦ ✓ A✓ | E✓ 52 Assuming due North is at the top of this map, in which direction is Prey Stream flowing? 50 References 50 50 49 47 48 Steep 48 47 (CUNY Brooklyn College) 46 48 a 46 Raptor Lake GRADIENT Very Steep 5280"/mile elevation 45 ft 46 23% 0 2500 mile Moderate 1000%/mile Gentle Flat 400 mile 0'/mile
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