UNITED STATES DEPARTMENT OF AGRICULTURE 
BUREAU OF BIOLOGICAL SURVEY 
WASHINGTON, D. C. 
July 7, 1916. 
Mr, Alox Wetniore, 
Gorirme, Utah. 
'Dear Mr. Wetmore: 
In accordance with the provisions of letter of authority Ho. 72 
Bi, dated July 1, 1916, you v.’ill continue investigations in relation to 
the mortality among wild ducks which has occurred during the past five 
or six seasons in the Salt Lake Valley region of Utah. 
The limitation in yoiir letter of authority is made necessary by 
reason of the delay in the passage of the regular appropriation 'bill, 
and the -1250 authorised for the month of July mast in no event he ex- 
ceeded. 
You shotild keep this officse advised in advance of your address 
in order that you may be reached without delay/ continue to send in 
weekly itinerary reports promptly at the close of each week, make aM 
Your authorization is sufficiently broad to cover any necessary 
expenditures in connection with your work, but you should endeavor to 
keep your expenses as lov; as possible without curtailing necessary in- 
vestigations, and should plan your work so that unnecessary travel may 
be avoided. 
Very truly yours. 
/ 
