The CSS de_nuke clock is apparently a stock texture. The first clock is from de_nuke, the second is from an obscure 2002 game called Mobile Forces. You can even still somewhat make out the seconds hand in the de_nuke version.
Current lobby, and also a security hallway that passes a ravine and goes through a cave. Over the river and through the woods to grandma's house!
More progress on the arctic base map. I'm having fun.