The sale of the rejKirts is oonduoted in aoooniaiice with the provisions of 

 Section 10 of the Act of the 14th day of May. 1S74, wiiich directs that copies 

 of the Reports, with all maps and supplements, shall 1)6 furnished at coat of 

 }>uf>lic(ition to all applicants for t/iCin. 



All the printed volumes and maps in stock have heen transterred hy the 

 Board of Commissioners to the Department of Internal A Hairs, where the 

 sales thereof will hereafter be conducted. 



Conununicjitions relating; to the work of the Survey should be addressed to 

 .7. P. Lesley, .St^ite Geologist, No. 1008 Clinton street, Philadelphia, and those 

 intended for the Board of Commissioners, to William A. Ingham, Secretary, 

 No. 907 Walnut street, Philadelphia. 



All letters and orders concerning the purchase of Reports and remittances 

 for the same, should be addressed to, 



J. SIMPSON AFRICA, 

 Secretary of Tnternal Affairs, 

 Harrisburg- Pa. 



April 1, 1884. 



(8) 



