land-communication

Had they won at Antietam, not only would Washington have been cut off from land-communication with the North, but Pennsylvania would have been invaded, and the Southrons would have fattened on the produce of her rich fields.

The Atlantic Monthly, Volume 10, No. 61, November, 1862 Various

Another stranger going through the region of our longleaf pine, before its agricultural capacities were so fully developed as at present, (and this, in the early period of our history, was the chief line of land-communication between the North and the South,) would realize the impression obtained from the stereotyped blunder of the geographies, even still extensively circulated and believed, that the "staple productions of North Carolina are tar, pitch and turpentine, and a few naval stores."

A Guide to Capitalists and Emigrants: Being a Statistical and Descriptive Account of the Several Counties of the State of North Carolina, United States of America; Together with Letters of Prominent Citizens of the State in Relation to the Soil, Climate, Productions, Minerals, &C., and an Account of the Swamp Lands of the State North Carolina Land Co. 1869