I posted this earlier but did it wrong and it became a separate message. I see someone else has answered also.
Here is a link to Wyuka Cemetery in Nebraska City.
http://www.rootsweb.ancestry.com/~neotoe/wyuka/wyuka_g.htm.
There is a Carl and a Rose. I believe the first column is the person who bought the lot.
If you google Otoe Co Lindpendium you may find the census or other mentions of their names.