Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Map of an area in Louisiana illustrating how the original lidar survey footprint (red) is extended to complete the nearest 1-kilometer (km) tile, resulting in a slightly larger survey footprint (yellow). Each tile (black) is 1 km2 in area.
Public Domain.
