This is located at the Cobb Bridge. The Cobb family is orignially from the Brighton area. They have numerous BP stations in Southeast Iowa. However, upon asking members of the community the Cobb family now resides in Wisconsin. But have left a legacy forever and does occasionally come back to vistit.
This geo is located not far from the multi use trail head near the youth camping at Lake Darling. Some may consider this a PNG, Looking for a small camo pill bottle BYOP.
There is a grass area for parking the DNR keeps mowed and trail is well maintained.
****UPDATED 05/09/2018***** I received a very much appreciated note regarding the Cobb Family. Part of the family does still live in the area Mark and Lori don't actually live far from this cache.