"Prepared in cooperation with the North Carolina Department of Transportation, Division of Highways, Hydraulics Unit and the U.S. Department of Transportation, Federal Highway Administration, Office of Project Development and Environmental Review."
"Version 1.1, July 2019."
"First release: May 20, 2019"--Title page verso.
Includes 1 page errata.
Description based on online resource; title from PDF title screen (USGS, viewed on September 30, 2019).