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Group IV 



(Answer three questions from this group.) 



9. Describe as a whole the region represented on the accompanying contour 

 map, mentioning especially the different forms of relief and the drainage. 

 State {a) the greatest elevation, {h) the least elevation, (c) the location of 

 the steepest slope. Name and locate the works of man indicated on this 

 map and show how their location is related to topography. 



10. Describe the coastal plain of Eastern United States as to (a) origin, (6) slope, 



(c) drainage, {d) soil, (e) industries and their location. 



11. Give an account, in proper notebook form, of a class trip taken with your 



teacher, on which you studied (a) stream work, or {b) rock classes and 

 structures, or (c) glaciation, or {d) wind work. 



12. Give reasons why Iowa has become known as the typical agricultural state 



on account of (a) its topography, {h) its original vegetation cover, (c) origin, 

 composition, texture, and depth of its soils, and {d) its location. 



13. Define ten of the following: agonic line; mean solar time; chronometer; 



erratic bowlder; nunatak; monadnock; cirque; spit; isotherm; reUef; 

 hanging valley; rejuvenation; fault-scarp. 



