Back to top: Emplacement for unit J5 Types of contact among features 4. To cover or to overlay
The type of contact “to cover or overlay” is by far the most commoon in J5, representing about 53% of the total.
Typically covers and overlays appear in open areas where layers of natural seasonal accumulation build one atop the other. Another common occurrence is the buildup of a succession of floor surfaces with continued use.