Alkali and Salt&Z^Zi^ 
Chief Causes for 
Utah Duck Malady 
assutant 8 ®^, °f Alex Wetmore, 
assistant biologist of tlio United 
^ates geological survey, who is 
eonducUriR an investigation to 
determine causes for the duck 
pro bald ft olmF « ah ’ attrn ' ut « the 
Waattte n U i!, M t0 salt ' alkali and 
tine a raining on marshpn from 
completed'' vest , report "wls 
, yesterday by Mr \v«t- 
cond e uct n ed f hv°M S an ^vostigAtlon 
Shore nt d *. hy J5 ,m 0,1 th «' eastern 
S thanks Sa " lake Ior 
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