Mangum-Howell Center Giving Published on November 17, 2017 by Harris County Precinct 4 in Community Centers Looking for ways to give back? The Mangum-Howell Center’s Doss Advisory Council is sponsoring a holiday food and toy drive. A collection barrel will be placed in the Center lobby from Wednesday, Nov. 1 to Tuesday, Dec. 12. Nonperishable food items such as canned vegetables, fruits, meats, juices, and cereals are welcome. Visitors are encouraged to make their donation during the annual holiday luncheon Tuesday, Dec. 12. All food donations will go to the food bank at Northwest Assistance Ministries (NAM).