Table 1 of Broecker et al. 1995 paper:

data files: c14inv.geos (GEOSECS)
data files: c14inv.nas (TTO/NAS)
data files: c14inv.tas (TTO/TAS)
data files: c14inv.save (SAVE)

Column  1: station number
Column  2: latitude (degree)
Column  3: longitutde (degree)
Column  4: collection month
Column  5: collection day
Column  6: collection year
Column  7: mean penetration depth (meters)
Column  8: bomb c14 inventory (E9 atoms/cm2)
Column  9: surface natural DC14 (o/oo)
Column 10: surface bomb DDC14 (o/oo)
Column 11: tritium (TU81)
Column 12: ratio tritium/bomb DDC14 (100 TU81/permil)