Z-9 Crotalus DNA Preservation Lab

The  is located directly west of the X-8 Research Center in the Fallout: New Vegas add-on Old World Blues. There appears to be nothing of great importance in here except some very tough Nightstalkers and a lot of Nightstalker eggs, tails, blood samples, etc. along with the notable loot below.

Notable loot

 * 8+ Nightstalker squeezin's
 * Auto-Doc Upgrade: Implant Y-3 on a operating table in the main room.

Appearances
This location appears only in the Fallout: New Vegas add-on Old World Blues.