Funeral Mass for Dennis Charles Schreck, 80, of Guthrie Center, will be Tuesday, December 21st at 10 am at St. Mary’s Catholic Church in Guthrie Center.  Burial will be in the St. Joseph Cemetery in Dedham.  There will be no visitation.  Twigg Funeral Home in Guthrie Center is assisting the family.  Online condolences may be left at twiggfuneralhome.com.  Survivors include:  Children, Doug Schreck of Clive, Kevin Schreck of Guthrie Center and Sheila Dickey of Cedar Falls.  10 Grandchildren.  Sister, Patricia Oserland of Vail.