212 



THE GEOLOGY OF MINNESOTA. 



[Elevations. 



Datum, 0. 



Freeburg, - 21.92 



Water at Oxford's dam, Freeburg, 42.95 



Crossing of Crooked creek at sec. 36, 1O3 N., R. 1 W. (Powlesland's), bottom - - 56.32 



Crossing of Crooked creek at sec. 36,1O2 N.. R. 1 W. (Powlesland's), grade - 65.32 



Crossing of Crooked creek, S. E. } sec. 26, 1O3 N., "A W. belgw the junction of the south 



fork, bottom - 76.74 



Crossing of Crooked creek, S.E. J sec. 26, 1O3 N., 2 W. below the junction of the south 



fork, grade, 86.74 



Surface of water at crossing of Crooked creek, N. E. i sec. 22, Mayville, - 152.13 



Crooked creek, N. E. J sec. 22, Mayville, bottom of creek 151.85 



Bottom of creek at second crossing below John Mplitor's, sec. 16, Mayville, - - 236.70 



Crooked creek at second crossing below John Molitor's, sec. 16, Mayville, grade 244.87 



Bottom of creek at first crossing below John Molitor's, sec. 16, Mayville, 250.77 



Crooked creek at first crossing below John Molitor's, sec. 16, Mayville, grade, - 256.72 



Dorsh's quarry, sec. 17, Mayville, grade 333.10 



Natural surface, at the Methodist church, Caledonia, - - 551.18 



Summit, natural surface, N. E. J sec. 13, Caledonia 571.57 



Elevations on the Houston, Uesper and Southwestern railroad. 

 (Proposed.) 



This line runs from Houston, on the Root river, where it intersects with the Southern Min- 

 nesota railroad, sou th west wardly, ascending the valley of Beaver creek, through Sheldon, Caledonia 

 and Spring Grove townships. The following data were furnished by Dr. F. Worth, president of 

 the company. The datum point was at Houston, on the grade of the S. M. R. R. where it crosses 

 the line between sections 33 and 34, six hundred and seventy feet above the ocean. 



