Statistics for occurrence #1 of “York River” in chapter 3 of William Swinton, Campaigns of the Army of the Potomac:

... the forces, present condition of the country—to be undertaken before going into the matter as to when those operations could be set on foot. I urged that we should now find fortifications in York River which would require a movement in that direction to be preceded by a naval force of heavy guns to clear them out, as well as the works at West Point. That Richmond was now fortified; that we could ...
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York River (Maine, United States) 2 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.