World Guide to Covered Bridges

World Guide to Covered Bridges

The World Guide to Covered Bridges (WGCB) is a covered bridge numbering system. The system was invented by John Diehl, the chairman of the Ohio Covered Bridge Committee. The committee first used the numbering system in 1953 to publish a list of covered bridges in Ohio.cite web
author = Dr. James E. Reinoehl
title = The Covered Bridge Numbering System
work = Ohio Covered Bridge Homepage
publisher =
date = 1998-05-19
url = http://members.aol.com/jreinhl/maps/numbers.htm
accessdate = 2006-07-07
]

References