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Publication Extents

Not all publications have extents, not all extents are completely accurate
Hydrographic surveys
1896, Division of Hydrography Circular 5
This circular is intended to answer questions asked by correspondents regarding the progress and character of the work of the "Irrigation Survey" and of related investigations being carried on by the Division of Hydrography of the United States Geological Survey. It also gives a review of the legislation authorizing this...