13 



The sale of the reports is conducted in accordance with the provisions of 

 Section 10 of the Act of the 14th day of May, 1874, which directs that copies of 

 the Reports, whh all maps and supplements, shall be furnished at cost of pub- 

 lication to all ajiphc ants for them. 



All the printed volumes and maps in stock have been transferred by the 

 Board of Commissioners to the Department of Internal Affairs, where the 

 ( sales thereof will hereafter be conducted. 



Communications relating to the work of the Survey should be addressed to 

 J. P. Lesley, State Geologist, No. 1003 Clinton street, Philadelphia, and those 

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

 No. 907 Walnut street, Philadelphia. 



For instructions for purchase of single sheets of the Anthracite Survey, see 

 page 9. 



All letters and orders concerning the purchase of Reports and remittances 

 for the same, should be addressed to 



J. SIMPSON AFRICA, 

 Secretary of Internal Affairs 



Harmsburg, Pa. 

 March 1, 1885. 



