FILE 28: AGE MODEL FOR V25-56 COLUMN 1=DEPTH(CM) COLUMN 2=AGE(KY) 0.0 0.0 1.5 2.75 27.0 8.45 47.5 11.54 63.5 14.33 70.0 19.0 147.0 24.0 160.0 28.0 210.0 37.0 255.0 53.0 261.0 59.0 265. 65.0 315.0 71.0 335.0 80.0 370.0 87.0 445.0 107.0 495.0 122.0 522.5 128.0 530.0 135.0 560.0 146.0 575.0 151.0 635.0 183.0 650. 187.3 657.5 194.0 665.0 205.0 677.5 216.0 687.5 228.0 705.0 238.0 720. 249.0 730.0 256.3