652 THE GEOLOGY OF MINNESOTA. 



[Elevations. 



Ehrationx on tin- loira and Miimc--otn liirixinn of the Chicago, Milwaukee and St Paul railn-ni/. 

 From profiles in the office of George II. White, engineer, Minneapolis. 



Miles from Feot above 

 St I'aul, tlie sea. 



Summit near line of Dakota and Rice counties, cutting 12 ft.: grade ____ 36.7 909 



North field .......................................................... 38.1 915 



Heath creek, water, 905; grade ..................................... 39.2 921 



Dundas ....................... .................................... 41.0 955 



Wolf creek, water, 947; grade ........................................ 42.3 974 



Summit, cutting 9 ft.; grade .......................................... 45.9 1037 



Depression, grade ................................................ 46.7 971 



Summit, cutting 30 ft; grade ...................................... 49.5 1017 



Cannon river, water, 959; grade on bridge ............................. 50.9 975 



Faribault ........................................................... 51.7 1002 



Summit, cutting 4 ft. ; grade ......................................... 54.3 1084 



Summit, cutting 14 ft.; grade ....................................... 56.8 1140 



Straight river, water, 1069; grade ................................... 60.2 1090 



Medford .................. ' .......................................... 60.4 l(i!)8 



Elevations, Wisconsin, Minnesota and Pacific (or Cannon Valley) railway. 

 From profiles in the office of Kobert Angst, engineer, Minneapolis. 



Miles from Feet above 

 Wiiti-rvillc. the sea. 



Waterville, junction with M. & St. L. railway .......................... 0.0 1008 



Line of Le Sueur and Rice counties, grade ............................. 2.5 1030 



Summit, natural surface, 1067; grade ................................. 3.8 1056 



Cannon river, water, 997; grade ....................................... 6.0 1008 



Morristown ......................................................... 6.3 1008 



Cannon river, water, 975; grade ........................................ 8.4 984 



Warsaw ....... ......................................... ........... 9.3 1007 



Junction of spur track to Polar Star mills .............................. 15.3 11711 



Fair ground ......................................................... 15.6 976 



Crossing C., M. & St. P. railway ....................................... 16.3 981 



Faribault ............................................................ 16.8 971 



Cannon river, low water, 954; high water, 960; grade .................... 17.3 966 



Wolf creek, water, 925; grade ......................................... 25.6 942 



Dundas ......................................... ................... 27.0 926 



Cannon river, low water, 900; high water .............................. 29.4 906 



Northfleld ...................... ................................... 29.9 910 



Line of Bice and Dakota counties, grade ............................. 31.0 897 



Waterford .................................. ....................... 32.0 903 



The average elevation of the county may be estimated as follows, based 

 on the contour lines shown on the county plate: Northfield, 990 feet above 

 the sea; Wheeling, 1110; Richland, 1175; Bridge water, 1010; Cannon City, 

 1085; Walcott, 1100; Webster, 1060; Forest, 1025; Wells, 1025; Warsaw, 

 1070; Wheatland, 1075; Erin, 1090; Shields ville, 1075; Morristown, 1045. 

 From these figures the average elevation of the county becomes 1065 feet. 



Soil and timber. The soil of the upland prairies in the southeastern part of the county, 

 including the towns of Richland, Wheeling, Cannon City, and much of Northfleld, is a black 

 loam underlain by clay. In the low grounds along the valleys this black loam is increased in 

 thickness, and on some exposed knolls the underlying clay becomes the surface soil. In the low 

 prairies of Northfield the subsoil is gravelly, and the soil itself, while rich and dark, is apt to be- 



