The contour interval for this map is 20 feet.

a. Which of the following statements best describes the shape of the Missouri River Valley depicted on the map? Use the highlighting tool to select your answer.

Wide valley floor with a flood plain

Steep walled, V-shaped valley

b. Explain how you arrived at your answer to 2a in a complete sentence.

1040 1040 erson 1050 5000 Landing Strip R3E 20 000 1100 Watson 097 $acajawea Islam 11 550 Pudio 30 000 Black 10 000 Radio Tower- 319 Great Falls Horse 1057 Black Eagle Warsch Tank 48 Lake 40 000 ck Eagle pam 1049 15' Fla Gian 1040 Steamboat fland Water Jank 15.000 Black Horse Lake 101/1 Rainbow 50 000 1575 R4E Rambow Dam 4040 -1060 Blackfeet MALMSTROM AIR FORCE BASE Landing Strip Radio Tower 60 000 21000 Sheffels 6 Cochrane Dam 1036 Gulch Ryan Dam Tarik 20 000 METERS Cooper 1040 490000mE 70 000 FEET 11600 PS R5E RIVERS Powerhouse Moranty Dam CHO Salem 1041 Coulee 1 625 000 FEET (CENTRAL) R6E 111 GREAT FALLS NORTH, MONTANA 47111-E1-TM-100 1040 1976 PHOTOINSPECTED 1990