Re: Sanborn Maps (was Re: Butane Tank Cars)

Steve Stull

Thank you Dennis.  You beat me to the question/answer.
Steve Stull

--- On Thu, 8/11/11, soolinehistory <> wrote:

Which makes sense, when you consider the insurance rating purpose of the maps. A collapsing wall endangers everything for a distance more or less equal to the height of the wall; roofs tend to collapse within the confines of the building.


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