Earth GOV Artifact
After using STASIS on all of the transports, head left after the crash. It is sitting in the corner.
Towards the end of the level right outside the elevator exit. It is in a small cubicle. This is BEFORE the train section.
Chapter 1 Unitologist Artifact
To the right of Issacs Bed in Issacs Apartment
On Issacs bed in Issacs Apartment.