UNITED STATES DEPARTMENT OF AGRICULTURE. 
BUREAU OF BIOLOGICAL SURVEY, 
WASHINGTON, D. C. 
April 25, 1916. 
Hr. 
ilex V/etmore, 
A6sist.-:int Biolop-ist, 
Bureau of Biologieal Survey'. 
Dear LIr. Wetanore: 
In aoGordan.ee with letter of aiithority Ho. , dated April 2 5~ 
1916, jrou will proceed, on or about Iday 1, 1916, from Washington, D. G., 
to Ogden, Utah, stoppixK" en route at Great Bend and other points in 
Kansas, for a period not excoecling seven or eight days, where you will 
gather inforEation for use in connection with woih to be carried on in 
Utah concerning: the occurrence and prevalence of disease among wild 
ducks in the Cheyenne Bottoms. 
On reaching Salt Lake Valley, Utali, you will continue investig- 
ations in relation to the mortality among wild oucks which lias occurred 
d.uring tho past five or six seasons in trie marshes around Great Salt 
Lake. The base for this viork will be made at the mouth of Bear Liver 
where ivou will carr;/ on experiments and obseiwations in continuaticn of 
those instituted last year. As conditions warrant, you v/ill visit other 
localities in Utah a.t which sick ducks m.ay occur. On completion of this 
v/ork you v;ill retum to your official haadquarters at V/ashington, D, G. 
Very truly youi’S 
^ Gh ijiil!! 
