UNITED STATES 
                      DEPARTMENT OF THE INTERIOR 
                             NATIONAL PARK SERVICE 
                           YELLOWSTONE NATIONAL PARK 
                               YELLOWSTONE PARK, WYO.           July 1, 1931

OFFICE OF THE SUPERINTENDENT 
 
 
 
 
           Mr. Aldo Leopold, 
             404 University Ave., 
               Madison, Wis. 
 
 
 
           Dear Mr. Leopold: 
 
                    If you have finished with the copy of the Preliminary
Report 
 
           on the Northern Yellowstone Elk Herd which I zailed you on M11arch
31st 
 
           will you please mail it to me at an early date. This is the only
extra 
 
           copy of the report that I have ann I have had several calls for
it recent- 
 
           ly. 
 
                                          Very sincerely yours, 
 
 
 
 
                                                   W. IA. Rush 
                                               In charge Elk Study 
 
 
                                                               "7/6/31

 
                (Copy) 
 
        Dear Mr. Rmsh: I am sorry that the return of your report on the 
        northern Yellowstone elk herd has been delayed. I sent it on to 
        Lovejoy in accordance with your request, and I am now wiring him
to 
        send it back to you direct. 
 
 
Aldo Leopold