UNITED STATES DEPARTMENT OF AGRICULTURE, 
BUREAU OF BIOLOGICAL SURVEY, 
WASHINGTON, D. C. 
f, 
5ri 1 
-.5 
1916. 
Mr. 
Alex '.Vetmore, 
Assistant Biologrlst, 
Birreau of Biological Eurvey. 
Dear ar. .Vetiaoi’e; 
In accordance vath the j^rovisicns of letter of anthority 2^'/ 
dated. Ai^ril 2.5^ 1916, you will proceed, on or about May 1, 1916, from 
vyashington, D, G, to Ogxlen, Utah. lin route you will stcx:- at Lawrence, 
Kans. , vfoere ,vou will see Dr. Uoble Sherwood in connection with sick 
ducks exanined by him irm areas in central Kansas. Leaving here you 
will proceed to Great Bend, Kans. , where you vail gather vliat informa- 
tion you may regarding sicloiess and diseases among wild ouchs in that 
locality. In deinf’r this you vlll call unon local men interested in 
game matters and will visit the marsh area ioiown a.s Cheyenne Bottoms. 
'%iE work will fuiviish infoiination of value in connection with the main 
work in Utali. 'i'he time spent in Kansas should not exceed eight days. 
On reaching’ Salt Lake Valley, Utali, you will continue the in- 
vestigations carried on last gear into the nature and origin of the 
mortality which has prevailed amcng the uucks of that region for 
several years. Your base in these studies will be at the mouth of 
Bear .River wiiere a snB,ll building was erected last year to serve as a 
ten 5 :iorai’ 3 T field laiJoratory. You will, in addition, keep informed as 
to the progress of the trouble iii other localities and will visit those 
