ATLAS SHEETS. 



Sheet. 



Title I 



Contents II 



Legend and key map Ill 



Topographic map of part of the Tower quadrangle IV 



Topographic map of part of the Soudan quadrangle V 



Toi^ographic map of part of the Ely quadrangle VI 



Topographic map of parts of the Basswood and Fall Lake quadrangles VII 



Topographic map of parts of the Ensign and Snowbank Lake quadrangles VIII 



Topographic map of part of the Knife Lake quadrangle IX 



Topographic map of part of the Gunflint Lake quadrangle X 



Geologic map of part of the Tower quadrangle, with structure sections XI 



Geologic map of part of the Soudan quadrangle, with structure sections XII 



Geologic map of part of the Ely quadrangle, with structure sections .- XIII 



Geologic map of part of the Basswood and Fall Lake quadrangles, with structure sections XIV 



Geologic map of part of the Ensign and Snowbank Lake quadrangles, with structure sections. XV 



Geologic map of part of the Knife Lake quadrangle, with structure sections XVI 



Geologic map of part of the Gunflint Lake quadrangle, with structure sections XVII 



Detail map of a portion of Tps. 61-62 N., E. 15 W., Minnesota XVIII 



Detail map of a portion of Tps. 62-63 N., R. 14 W., Minnesota XIX 



Detail map of a portion of Tps. 62-63 N., E. 13 W., Minnesota XX 



Detail map of portions of Tps. 62-63 K, R. 12 W., Minnesota XXI 



Detail map of a portion of T. 63 N., E. 11 W., Minnesota XXII 



Detail map of Tower and Lee hills XXIII 



Detail map of Soudan Hill XXIV 



Detail map of point south of Mud Creek Bay, Vermilion Lake, Minnesota XXV 



Detail map showing actual exposures in NE. J sec. 25, T. 63 N., E. 12 W., with structure sec- 

 tions XXVI 



i6 



