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  1. 1990-01-01 Bridges are a part of the transportation system of a region. They are used to span an obstacle like a stream or chasm. Bridges make the system more efficient either by saving travel distance or by enabling vehicles or pedestrians to reach places that were previously inaccessible. There are four...
  2. 1999-01-01 First published in 1887,Fences, Gates, and Bridgesis an instructional guide to the best ways to build a variety of fences, gates, hedges, bridges, and culverts. The section on fences boasts a wealth of information on building various types of fences, including rail, composite, garden, board, and...