233 



GEOLOGY OF EASTERN WISCONSIN. 



actual amount of loss, during the past thirty-eiglit years, in Kacine 

 county. These measurements will have their value many years hence. 



LAIE SHORE IN EACINB COUNTY. 



Lines. 



6, T. 4, R. 23 



7, T. 4, R. 23 



8, T. 4, R. 23 

 17, T. 4, R. 23 

 16, T. 4, R. 23 



21, T. 4, R. 23 



22, T. 4, R. 28 



27, T. 4, R. 23 

 34, T. 4, R. 23 

 .34, T. 4, R. 23 

 33, T. 4, R. 23 



4, T. 3, R. 23 



9, T. 3, R. 23 

 16, T. 3, R. 23 

 21, T. 3, R. 23 



28, T. 3, R. 23 

 28, T. 3, R. 23 

 32, T. 3, R. 23 

 32, T. 3. R. 23 



Mean of 18 places, chains 



Same in feet 



Loss per annum m feet . . 



1836. 



32.70 

 34.68 

 SO. 18 

 16.38 

 10.86 

 15.58 

 19.39 

 26.39 

 16.04 

 31.50 

 28.87 

 28.03 

 18.82 

 27.80 

 21.25 

 32.22 

 30.20 

 34.85 

 46.60 



1874. 



30.30 . 

 33.45 . 

 29.70 . 

 14.60 . 

 9.75 . 

 14.50 . 

 18.43 . 

 26.39 . 

 15.47 . 

 30.00 . 

 27.34) 

 26.50 ) 

 18.00 

 20.60 

 18.00 

 31.16 

 23.87 

 32.40 

 44.73 



Loss. 

 . 2.40 

 . 1.23 

 . 0.48 

 . 1.78 

 . 1.11 

 . 1.08 



0.96 

 , 0.00 



0.57 

 . 1.50 



1.5B 



. 0.82 



. 6.20 



3.25 



. 1.06 



, 6.a3 



2.45 



1.87 



1.92 



126.72 



3.33 



The following measurements were made to ascertain the amount of 

 the abrasion of the west shore of Lake Michigan, in Milwaukee 

 county, since the government survey made in 1835 and 1836. 



Place. 

 On the South hue of Sec. 1, T. 5, R. 22 

 36, T. 6, R. 22 

 24, T. 6, R. 22 

 21, T. 7, R. 22 

 15, T. 7, R. 22 

 10, T. 7, R. 22 

 8, T. 7, R. 22 

 34, T. 8, R. 22 



1835. 



Chains. 

 . . 45.61 

 .. 15.90 

 . . 19.29 

 . . 8.72 

 . . 5.37 

 . . 43.35 

 .. 19.34 

 .. 22.00 



1874. Annual Loss. 

 Chains. Feet. 



. 44.50 1.90 



14.40 

 18.70 

 8.42 

 2.82 

 41.64 

 17.36 

 18.69 



2.60 

 1.00 

 0.50 

 4.31 

 2.90 

 3.33 

 5.61 



Mean 2.77 



The loss in the other coiinties bordering the lake is less on the aver- 

 ge. 

 These facts are sufficient to show the importance of taking imme- 



