LETTER OF TRANSMITTAL. 



U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF CHEMISTRY, 

 Washington, D. C., November 15, 1904. 



SIR : I have the honor to transmit for publication the results of an 

 investigation made by the Chief of the Insecticide and Agricultural 

 Water Laboratory of this Bureau, at the request of the Department 

 of Justice, in regard to the extent of the injury inflicted on surround- 

 ing vegetation by a copper-smelting plant located near Redding, Cal. 

 I recommend that this report be published as Bulletin No. 89 of the 

 Bureau of Chemistry, the consent of the Department of Justice to 

 such publication having been obtained. 

 Respectfully, 



H. W. WILEY, Chief. 

 Hon. JAMES WILSON, 



Secretary of Agriculture. 



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