Calvin John Ohrt, 83, of Marshalltown, died Friday, August 10, 2012, at the Iowa River Hospice House in Marshalltown. Visitation for Calvin will be held from 5:00 p.m. 7:00 p.m., Monday, August 13, at the Mitchell Family Funeral Home. Funeral services will be held at 10:00 a.m., Tuesday, August 14, 2012, at the First United Church of Christ in Marshalltown. Burial will take place at the Green Mountain Cemetery in Green Mountain, Iowa. Memorial contributions may be directed in Calvin's name to his family. For further information or to send a condolence please visit www.mitchellfh.com or call (641) 844-1234.