leg site hole core section top of sampled interval (cm) bottom of sampled interval(cm) depth to core (m) depth to sample (m) card type card number pH electrode type pH alkalinity measurement type alkalinity salinity data field #1 data field #2 data field #3 data field #4 data field #5 data field #6 reference 57 441 A 5 3 140.0 150.0 386.50 390.95 DATA CARD 1 33.3 14.40 13.30 19.70 2.62 277.00 56258 57 441 A 5 3 140.0 150.0 386.50 390.95 DATA CARD 1 COLORIMETRIC 0.0 33.3 14.37 13.32 19.71 LABNB 57 441 A 5 3 140.0 150.0 386.50 390.95 DATA CARD 2 56258 57 441 A 14 2 0.0 12.0 643.00 644.56 DATA CARD 1 COLORIMETRIC 0.0 32.9 13.85 20.38 19.44 LABNB 57 441 A 14 2 0.0 12.0 643.00 644.56 DATA CARD 1 32.9 13.90 20.40 19.40 2.09 223.00 56258 57 441 A SSW 0.00 0.00 DATA CARD 1 COMBINATION 8.20 COLORIMETRIC 2.3 35.6 10.34 53.84 19.38 LABNB