LETTER OF TRANSMITTAL. 



U. S. Revenue Steamer Rush, 

 Snn Francisco. Col.. December '^1. lSs;5. 

 Sir: In ohedieiico to your order dated July 1, 1SS5, direetiiiii: mo to explore the Ncmtak 

 River, Alaska. I have the honor to submit the following report. 



In the prejiarat'on of this work I have laljored imder many disadvantages, having been on 

 active duty during the greater portion of the time, and without any facilities for doing the 

 work properly. In view of the hurried manner with which the work was prepared, having 

 been ordered to sea before its iinal completion, I trust that due consideration will be shown. I 

 have only to express my sincere thanks for kind assistance in the work of revision. 

 Trusting that the results of the expedition will meet your apjirc/val, 

 I remain, very respectfully, your obedient servant. 



S. B. McLENEGAN, 

 ticcond Assifitant Eiif/iucer, U. S. E. M. 

 Capt. M. A. Healv, 



VoniniandiiK] Revenue Steamer Corin'n, Scm Francisco, Cal. 



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