Visitation with the family, for Karal Ann Potter, 79, of Adel, will be Tuesday from 5 pm to 7 pm at the McCalley Funeral Home in Adel.  A prayer service will be held at 7 pm.  A private family burial will take place on Wednesday.  Memorial contributions may be directed to the Mercy Foundation, 411 Laurel Street, Suite 2250, Des Moines, Iowa, 50314.  Online condolences may be left for the family at mccalleyfuneralhome.com.  Survivors include:  Sons, Randy Dickson, James Dickson and Scott Dickson.  5 grandchildren and 6 great grandchildren.  Siblings, Martha, Ralph and Jon.