In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described How Bound like this:
HOW-BOUND, a township in Castle-Sowerby parish, Cumberland; 3½ miles SE of Hesket-Newmarket. Real property, £1, 456. Pop., 219. Houses, 42. How Hill here is crowned by an ancient earthwork.
The location is that of How Hill. The name "How Bound" has not been found on a topographic map. Additional information about this locality is available for Castle Sowerby
A Vision of Britain through Time includes a large library of local statistics for administrative units. For the best overall sense of how the area containing How Bound has changed, please see our redistricted information for the modern district of Eden. More detailed statistical data are available under Units and statistics, which includes both administrative units covering How Bound and units named after it.
GB Historical GIS / University of Portsmouth, History of How Bound, in Eden and Cumberland | Map and description, A Vision of Britain through Time.
Date accessed: 19th June 2013
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