GEOLOGICAI. AND NATURA^JL HISTORY SURVEYS. 519 



given in full below, approved April 2, 1860, Hall was made principal 

 of the commission : 



An act to perfect the geological survey of the State. 



The people of the State of Wisconsin, represented in senate and assicmbly, do 

 enact as follows: 



Section 1. James Hall, of Albany, New York, is iieieby coustituted and ap- 

 pointed principal of the geological commission established by chapter 40 of the 

 General Laws of 1S57, and is hereby vested with such general control and super- 

 vision of the geological survey of the State as is not already expressly reserved 

 to the several commissioners designated in said chai)ter. 



Sec. 2. It shall be the duty of the said James Hall to make a written contract 

 with J. D. Whitney, which contract shall be approved by the governor, pro- 

 viding for the completion within the present year of his survey and maps of 

 the lead mines of the southwestern portion of the State; which maps shall in- 

 clude the whole of such district and shall be conslrnoied upon a uniform sc;ile. 

 A contract shall also be made in the same manner with Charles Whittlesey 

 for the continuance of his survey of the mineral regions of Lake Superior. 



Sec. 3. For the purpose of carrying into effect the provisions of the preceding 

 section the governor is hereby authorized, upon the presentation of the proper 

 vouchers, to draw from the treasury such portion of the sum appropriated by 

 sjiid chapter 40 of the General Laws of 1S57, as was not drawn previous to the 

 signing of the contracts with the comm-issioners on the 29th day of May, A. D. 

 1S5S; and all that part of said appropriation hereby authoi-ized to be drawn 

 by the governor, which shall not be required to carry into effect the provisions 

 of the contracts as provided in the preceding section, shall be appropriated for 

 the engraving of maps and drawings to illustiate the surveys therein pro- 

 vided for. 



Seo. 4. This act shall take effect and be in force from and after its passage 

 and publication. 



Approved April 2, 1S60. 



After the passage of this act Carr wrote to Hall, informing him 

 of the condition of affairs and stating that the sum of $4,500 re- 

 mained unexpended from earlier appropriations. 



Although not so stipulated in the act, the same was passed with 

 the understanding that not less than $1,500 of this sum should be 

 used in the exploration of the northern part of the State, and tl.iat 

 the expense of engraving the map should also be paid from it. 



In accordance with section 2 of the law. Hall entered into con- 

 tracts with Whitney and Whittlese}^ as below : 



Momoranduui of aa agreement made and entered into this 1st day of May, in the year 

 18C0, in accordance with section 2 of chapter ;>34 of the Laws of Wisconsin, approved 

 April 2, 1860, between .Tamos Hall, of the first part, in behalf of the people of Wisconsin 

 •nd subject to the approviil of tlie governor of said State, and .Tosiah D. Whitney, jr., of 

 the second part, as follows : 



To provide for the completion within the present year of his survey and 

 maps of the lead mines of the southwestern portions of the State, which maps 

 shall include the whole of such district and shall be constructed upon a imiforni 



