34.37 3438 3484 Taasa 35 11 12 3640 14 23 3445 13 36 3384 BM 3395 GM Coulee 30 M 3397 3342 Blackfeet 3358 23265 (306 Sheffels MISSOURI 30 31 33 3408 16. 3400 3309 ва co Dain D 3342 tanse Gulch 16: P 348 29 3367 28 3410 36 3430 2400 3339 3407 FIGURE 8.6 Portage, Montana 0 1 2 ° 1/2 1 2396 32 Boxelder 3205 3243 B 35 RIVER CASCADE CO CHOUTEAU CO BELT 320 24 39 7:2000 3200 3262 Salem Sch 3306 330 3316 3346 3307 333 North HIGHWOOD 3 kilometers 34% 2 milee SCALE: 1:62,500 Creek 25 3143 Elevator PACIFIC Salem 3353 34 AND 35 36 3439 вм ROAD 73526 CONTOUR INTERVAL 20 FEET DATUM IS MEAN SEA LEVEL MONTANA QUADRANGLE LOCATION 2916 3.5 3.0- 2.5 2.0- 1.5 A.O A.5. 0.5 mile B.O 1.0. Figure 8.7 Stereogram of the Missouri River in the vicinity of Portage, Montana. (Courtesy of U.S. Geological Survey)

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
Problem 1LR
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Related questions
Question

1. Compare the stereogram in Figure 8.7 to the map in Figure 8.6. Then, on the topographic map, outline the area shown in the photo.

2. Is the terrain in Section 14, located on the west side of this map, relatively flat or hilly? Explain.

3. Label the areas that topographically resemble Section 14 on the topographic map as "upland."

4. Describe the topography in the lower half of Section 17, located three sections east of section 14.

5. Section 17 contains a portion of the valley occupied by the Missouri River. Approximately what percentage of the area shown on the map is stream valley (similar to the lower half of Section 17) and what percentage is upland?

6. Which of the following best describes the shape of the Missouri River Valley along the line labeled D.-D': wide valley with a floodplain or steep-sided V-shaped valley with no floodplain?

34.37
3438
3484
Taasa
35
11
12
3640
14
23
3445
13
36
3384
BM
3395
GM
Coulee
30
M
3397
3342
Blackfeet
3358
23265
(306
Sheffels
MISSOURI
30
31
33
3408
16.
3400
3309
ва
co
Dain
D
3342
tanse
Gulch
16:
P
348
29
3367
28
3410
36
3430
2400
3339
3407
FIGURE 8.6 Portage, Montana
0
1
2
°
1/2
1
2396
32
Boxelder
3205
3243
B
35
RIVER
CASCADE CO
CHOUTEAU CO
BELT
320
24
39
7:2000
3200
3262
Salem Sch
3306
330
3316
3346
3307
333
North
HIGHWOOD
3 kilometers
34%
2 milee
SCALE: 1:62,500
Creek
25
3143
Elevator
PACIFIC
Salem
3353
34 AND
35
36
3439
вм
ROAD
73526
CONTOUR INTERVAL 20 FEET
DATUM IS MEAN SEA LEVEL
MONTANA
QUADRANGLE LOCATION
2916
Transcribed Image Text:34.37 3438 3484 Taasa 35 11 12 3640 14 23 3445 13 36 3384 BM 3395 GM Coulee 30 M 3397 3342 Blackfeet 3358 23265 (306 Sheffels MISSOURI 30 31 33 3408 16. 3400 3309 ва co Dain D 3342 tanse Gulch 16: P 348 29 3367 28 3410 36 3430 2400 3339 3407 FIGURE 8.6 Portage, Montana 0 1 2 ° 1/2 1 2396 32 Boxelder 3205 3243 B 35 RIVER CASCADE CO CHOUTEAU CO BELT 320 24 39 7:2000 3200 3262 Salem Sch 3306 330 3316 3346 3307 333 North HIGHWOOD 3 kilometers 34% 2 milee SCALE: 1:62,500 Creek 25 3143 Elevator PACIFIC Salem 3353 34 AND 35 36 3439 вм ROAD 73526 CONTOUR INTERVAL 20 FEET DATUM IS MEAN SEA LEVEL MONTANA QUADRANGLE LOCATION 2916
3.5
3.0-
2.5
2.0-
1.5
A.O
A.5.
0.5 mile
B.O
1.0.
Figure 8.7 Stereogram of the Missouri River in the vicinity of Portage, Montana. (Courtesy of U.S. Geological Survey)
Transcribed Image Text:3.5 3.0- 2.5 2.0- 1.5 A.O A.5. 0.5 mile B.O 1.0. Figure 8.7 Stereogram of the Missouri River in the vicinity of Portage, Montana. (Courtesy of U.S. Geological Survey)
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