From KHQA:

This Tuesday the Cary Cancer Center will hold its first Bone Marrow drive. If you would like to sign up to be in the National Marrow Donor Program, the Cary Cancer Center in Hannibal is holding a free drive this Tuesday from 2 until 6 p.m. No appointments are necessary and it's easy to sign up.

Here's the contact information:
Address: 6000 Medical Drive, Hannibal , MO 63401
Tel: (913) 901-3100, (800) 366-6710

Labels: bone marrow drives, free registration, Missouri, NMDP