December 1, 2021 at 5:30 pm - 7:00 pm DC Chapter Meeting International Masonry Institute National Training Center 17101 Science Drive, Bowie, MD
December 4, 2021 at 6:30 am - 2:30 pm TMT & Finishers International Masonry Institute National Training Center 17101 Science Drive, Bowie, MD
December 11, 2021 at 6:30 am - 2:30 pm Brick & Stone Masons and PCC International Masonry Institute National Training Center 17101 Science Drive, Bowie, MD
