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you can check this out link below-
its about Truss Bridges
Camelback Ski Resort is the number one family destination in the Pocono Mountains. The exact address of the Camelback Ski Resort is 1 Camelback Rd Tannersville, PA 18372.
Camelback High School was created in 1954.
Camelback Mountain Resort was created in 1963.
As far as i can tell there are 27 different types of truss bridges (i.e. Brown truss, Bowstring truss, Kingpost truss, Long truss, and Pratt truss). Hope this helps :D