Resources for Teachers The following information is available free to teachers. (Note: These documents require the Adobe Acrobat plug-in. If you do not have it, it is available free from Adobe.) Gruber Wagon Works: Pre-tour Information Life on the Canals: Pre-tour Information Canal Reading Canal Math Old Fashioned Games for Outdoors PA Department of Education Standards relating to Tours Heritage Center: An Educational Field Trip (BROCHURE) Traveling Trunk (In School Program) Gruber Wagon WorksC. Howard Hiester Canal CenterHeritage Center Main Page