canberrabirds
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To: | Margaret Leggoe <> |
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Subject: | the expression "cattle grid" |
From: | Roy Harvey <> |
Date: | Fri, 30 Mar 2012 09:06:07 +1100 |
The following suggests a somewha earlier development of catle grids. Roy OriginsThe origins of cattle grids possibly go back to the flat stone stiles of Cornwall, where grids of granite bars placed over pits in public footpaths have existed for over 2000 years. The “railroad cattle guard”, designed to keep livestock passing along railways, was an American innovation dating back to 1936. Automotive “Cattle guards”, as they are called in the North America, may have originated in the Great Plains of the United States in 1905, in response to an increasing number of automobiles in fenced range country. On Fri, Mar 30, 2012 at 8:23 AM, Margaret Leggoe <> wrote:
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