Funeral Services for Calvin Van Arkel, age 87 of Tulsa, OK, and formerly Oskaloosa will be held Saturday at 2 p.m. at the Langkamp Funeral Chapel in Oskaloosa. Open visitation will be held from 10 a.m. to 6 p.m. on Friday, and the family will greet visitors from 1 p.m. until service time on Saturday afternoon. Inurnment will be at Forest Cemetery at a later date. Langkamp Funeral Chapel is responsible for the arrangements.