Browse Items (1 total) Tags: D.M. Mattson Browse All Browse by Tag Search Items Sort by: Title Creator Date Added Fire Alarm Service and Diagnoses Email January 2011. Proposal for cost and labor. This is the email proposal from Dale Johnson of the cost and labor for the fire alarm service and diagnoses from D. M. Mattson, INC. January 2011. Tags: board of directors, Board of Trustees, cost and labor, D.M. Mattson, Dale Johnson, Decatur IL, Decatur Public Library, email, Fire alarm service and diagnoses, Inc., January 2011, Lee Ann Fisher, Proposal