Non-profit association preserving for public education the history of the construction, surface mining, dredging and infrastructure support industries. Operates National Construction Equipment Museum and Archives, publishes quarterly Equipment Echoes magazine, holds annual International Convention and Old Equipment Exposition featuring live demonstrations of antique machinery. Offers scholarships for engineering and construction management students. Dues $45.00 for 1 year USA and Canada, $65.00 per year all others, US funds only. Visit us at booth GL10009, in the Grand Lobby.