Here is your cemetery listing:

Cemeteries of Brown Co, IL p. 30 (Cooperstown Cemetery, Cooperstown twp):

Walter, son of J.S. (or J.W.?) and S.A. Dyer, died 26 Apr 1894, aged 5 years.

===== wrote:

Hi Ken,
In the index of "Cemeteries of Brown County, Illinois 1825-1972" there are 3 Dyers listed on page 30. Could you tell me what cemetery they are buried in? Thank you

Jan Hansen