Question: where are the caches on uranus?
Answer: GRINEER BARRACKS. Caches can be found here and here. ... 
1 ST & 2 ND FREEFALL/LONG LIFT. Some can be found near the bottom of the lift's landing.
L-CORRIDOR. ... 
SIDE-TUBE ROOM. ... 
UNDERWATER GEAR/ENGINE ROOM. ... 
MAIN FLOODING ROOM. ... 
3 RD FREEFALL/LONG LIFT. ... 
UNDERWATER SHIPWRECK.