There are no Hicks buried in the City of Manning or the Catholic Church cemeteries in Manning.

There are Hicks buried in Templeton & Glidden cemeteries.

Below are the Hamanns buried in the Manning cemetery.
The information was taken from the Iowa Genealogical Society booklet --- data was collected for the society by Ging Hudson of Manning.

This link will show you an aerial map and layout of the Manning Cemetery where Hamanns are buried.
http://davidkusel.com/manning125/citizens/cemetery.htm

Each section is marked A, B, etc and the rows described below start in the North East corner of that section going north to south and the next row going south to north.
You'll notice the Lutheran church just north of the cemetery and Center street just west of the cemetery.

Section C Row #4 S-N
Hamann, P F December 31, 1844 to January 21, 1927
wife Carolina August 29, 1844 to December 21, 1919

Section D Row #40 N-S
Hamann, Elmer A. January 11, 1915 to July 31, 1972
2nd LT 795 ORD CO WWII BSM
wife Luella "Lou" no dates

Section D Row #4 S-N
Hamann, Laura 1885 to 1987
husband William 1888 to 1974

There are also Hamanns buried in the Carroll, IA cemeteries.