CHAPTER VII. 



PHYSICAL GEOGRAPHY, TOPOGRAPHY, HYDROGRAPHY, METEOROLOGY. 



It becomes necessary in the present hasty report, to omit all 

 reference to these subjects except what is embraced in the fol- 

 lowing table, which is partially reproduced from Higgins' Re- 

 port, as Topographer to the Geological Survey, (Rep. 1839, p. 

 61,) partly from Foster and Whitney's Report on the Lake Su- 

 perior Land District, Parti, pp. 18, 38 et seq, aud is otherwise 

 compiled from original observations, and other unpublished 

 data: 



A L TITUDES of various points within the State of Michigan. 



LOCALITIES. 



Above 



Lake Hi; 



ron. 



Above 

 tho Sea. 



Lake line 



Detioit KL'er at Detroit 



Base of old Capitol at Detroit, 



Wayne Station,* , 



West line, Wayne county , 



Ypsilanti Station, 



Geddes' Station 



Ann Arbor Station 



University buildings, Ann Arbor.f (by level fron 



depot,) 



Observatory, Ann Arbor, (by level from depot,) 



Delhi, Washtenaw Co., 



Sc'o, " "• . 



Dexter, " " 



Chelsea, " " 



West line Washtenaw Co., on railroad, 



Francisco Station, Jackson Co 



Grass Lake " " " 



Leoni, " " " 



li- 

 80 

 13!- 

 13£ 

 168 

 193 



565 

 568 

 596 

 658 

 7:6 

 713 

 746 

 771 



* Heights of points along M. C. R R., unless otherwise designated, have been communi- 

 •atod by TUos. Fruzjr, Esq., of the Central, Office, Detroit. 



f The corrected m^an of the Barometer at tho University, for 9mos., ending Feb.,1855 r 

 was 29 047 inches, which corresponds to an altitudo of 809 feet, while the height of tho p-aoo 

 Of observation was supposed to be 891 feet. 



