UPDATED 04/20/2007

Bent, St. Vrain & Company - Reproduction Topographical Engineer uniform badges, buttons, trim and accessories.

Frontier Field Furniture - Quality re-enactment furniture - great for an Engineer's impression.  Officer's field desk, folding tables, tent poles, much more.

Online Historical Publications of the U.S. Corps of Engineers - Great research material available as pdf downloads.

U.S. Army Corps of Engineers - History - The mother-lode of army engineer information.

U.S. Army Engineer Museum - located at Fort Leonard Wood, Missouri.

U. S. Corps of Topographical Engineers - Engineer re-enactment unit located in Colorado.  Lots of great research material on their website.