Yeager, Lee E.(Champaign : Illinois Natural History Survey, 1949-08)
The objective of the study on whicii
the present report is based was to determine
the rate of flooding mortality in various
Mississippi River Valley tree species
and the rate and effect of tree fall ; in
the course ...
Brown, Louis G.; Yeager, Lee E.(Champaign : Illinois Natural History Survey, 1943-09)
Fur animals in Illinois, as in perhaps
every other state, are of importance from
viewpoints other than income. In one
form or another there is nearly always
the problem of predator control, which is
brought up most ...