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.
Stitching artifact. 5.75×5.75mm mosaic and 1.5×1.5mm submosaic insets show artifacts created by shifting of individual images resulting in mosaics with features that are repeated (green arrows) or not aligned vertically along stitch-points (yellow arrows).
