trunk latch mount location

hey there ladies and gentlemen quick question about the trunk latch mount location in a fastback cuda i removed mine to slip the new truck floor in and no real definative spot to weld the bracket back on..is there someone kind enough to take a measuement and post it here for me to weld mine back on..any help would be awesome..sorry mines a 69 fastbgack 67-69 is for sure the same