P at the bottom =? Top not sealed and h =28.5 ft Air P at the bottom=? Top is sealed Ptop reads 50 psig h=28.5 h=6.25ft and the Top gage reads -10.8 psig (top sealed). P at the bottom? h=? ft and the Top gage reads 30 psig and the bottom reads 35 (top sealed) Y@4C = 62.4 lb/ft Pw@4C 1.94 slugs/ft Oil (sg = 0.95) h