Mississippi Valley Regional Blood Center will be holding a blood drive from 8:A.M to 11:00 A.M on Tuesday, April 9th inside the Marion County Extension Office Conference Center in Knoxville. All persons over 17 years of age and 110 pounds who last gave blood on or before February 12th are eligible to donate. For further questions regarding eligibility, call The Mississippi Valley Regional Blood Center at (800) 747-5401.