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Re: Dutch Elm Disease



Louis R. LaPerrière and William Howard did some work that is (among other places) housed at the University of Denver's Penrose Library. The work was sponsored in part by a research unit of DU, and infrared arial photography was used to identify trees (this was in the early 1970s).

Renée

At 05:22 PM 9/12/00 -0400, you wrote:
I suggest getting in touch with the Ohio Agricultural Department. The Dutch Elm trees were removed approximately 20 years ago from the the Northeast Ohio area. Also, another source of information would be Holden Arboretum in Kirtland, Ohio. >===== Original Message From john thomas ===== > > > > > > > >
I am searching for materials relating to >the spread of Dutch Elm Disease across the U.S. Photos of trees >(pre/post),  film/footage of efforts to save trees, records of community >groups involved, etc.
>
 
>
Thank you,
>
 
>
 John Thomas
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Renée LaPerrière de Gutiérrez
Reference/Special Collections Librarian
rlaperriere@tamiu.edu
http://www.tamiu.edu/~rlaperriere/

Texas A&M International University
Killam Library #308
5201 University Blvd.
Laredo, TX  78041-1900
Phone:(956)326-2404
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