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Published online by Cambridge University Press: 12 April 2016
We present results of a search for small scale H I structure at high galactic latitudes using the NRAO 140 foot telescope, which has a 21' beam at 21 cm. We examined randomly selected 4° x 5° regions, as well as regions of particularly low total column density. The amount of apparent structure is small in directions with total column densities of a few times 1020 cm-2.