210 



REPORT OF THE STATE GEOLOGIST. 



LOCALITIES. 



Abov ■ 



Lake Hu 



ron. 



Above 

 the Sea. 



Lakes Huron and Michigan, (Higgiils,) 



Lake Ontario, " 



Sliding bank, entrance to Hammond's Bay, Lak< 



Huron, (Halt 676,) ' 



Bluff at Marble Quarry, E. end Dmmmond's I , . . 



Fort Mackinac, (Higgins,) 



Old Fort Holmes, Mackinac I., (Higgins,) 



" " by Barometer, July, 1860, . . 



" " by Geological level, July, 1860 



11 " according to Foster & Whitney 



Robinson's Folly, (Biggins;) 



" J« by Geol. level, July, I860,. . . 



Bluff facing Round I., " " " 



Summit ol' Sugar Loaf, " " " 



Chimney Rock, " " " 



Lover's Leap, " n " 



Top of arch at Arched Rock, by Geol. level, July 



1860, ..; 



Top of arch at Arched Rock, by Barometer, 

 To highest summit of Arched Rock, by level, . . . 

 Top of Buttress facing the lake at do. " 

 Principal Plateau of Mackinac Island, " 

 Upper Plateau of " " " 

 Summit of St. Joseph I., (T. N. Moles worth,) . . . 

 Lake Superior, (Foster and Whitney,) 



77 

 9?- 

 150 

 219 

 307 

 318 

 815 

 12b 

 121 

 147 

 284 

 131 

 14,5 



140 

 13> 

 149 

 105 

 150 

 294 

 400 



578 

 235 



655 

 676 



728 

 797 

 885 

 897 

 893- 

 706 

 705- 

 725 

 862 

 709 

 723 



718 

 716 



727 

 683 

 728 

 872 

 97S 

 627 



LOCALITIES. 



Above 



Lake Su- 



rior. 



Pie Island, N. shore L. Sup., (Foster & Whitney,) 



McKay's Mountain, " 



Thunder Cape, 



St. Ignace, (estimated,) " 



Les Petits Ecrits, " 



Pic Island, 



Michipicoten Island, " 



Gros Cap. (estimated,) " 



Highest Point Porcupine Mts., " 



Mt. Houghton near head of Keweenaw Point. 



(Foster & Whitney,) 



Grand Sable, L. S , (transported materials.) 

 Pt. Iroquois, " " " 



760 



1000 



1350 



1300 



850 



76( 



800 



700 



1380 



884 

 345 

 350 



Above 

 the Sea. 



"1387 



1627 

 1977 

 1927 

 1477 

 1387 

 1427 

 1327 

 200T 



1511 

 972 



977. 



