Bryson 1988 Reconstructed Optical Depth 

DATE BP	OPT. DEPTH
0	0.019544
-100	0.012021
-300	0.015819
-500	0.023021
-700	0.020269
-900	0.014623
-1100	0.024598
-1300	0.020844
-1500	0.016073
-1700	0.029433
-1900	0.026188
-2100	0.022699
-2300	0.018099
-2500	0.02109
-2700	0.018812
-2900	0.021072
-3100	0.016655
-3300	0.016958
-3500	0.024572
-3700	0.029466
-3900	0.020168
-4100	0.015974
-4300	0.021037
-4500	0.015309
-4700	0.024529
-4900	0.017161
-5100	0.013371
-5300	0.0164
-5500	0.016697
-5700	0.013966
-5900	0.01575
-6100	0.019279
-6300	0.014624
-6500	0.013115
-6700	0.025921
-6900	0.015351
-7100	0.011748
-7300	0.015876
-7500	0.018218
-7700	0.024984
-7900	0.02336
-8100	0.030745
-8300	0.024432
-8500	0.027436
-8700	0.020517
-8900	0.01833
-9100	0.021377
-9300	0.019037
-9500	0.016525
-9700	0.010861
-9900	0.007887
-10100	0.011056
-10300	0.02424
-10500	0.007887
-10700	0.018328
-10900	0.011476
-11100	0.015285
-11300	0.023133
-11500	0.023592
-11700	0.040229
-11900	0.041177
-12100	0.020731
-12300	0.0255
-12500	0.007887
-12700	0.026494
-12900	0.007887
-13100	0.022603
-13300	0.012921
-13500	0.018213
-13700	0.029059
-13900	0.01331
-14250	0.025975
-14750	0.01267
-15250	0.007887
-15750	0.010536
-16250	0.013431
-16750	0.016561
-17250	0.019907
-17750	0.017224
-18250	0.014312
-18750	0.014497
-19250	0.011277
-19750	0.01829
-20250	0.029111
-20750	0.015086
-21250	0.026159
-21750	0.022698
-22250	0.034099
-22750	0.015448
-23250	0.023134
-23750	0.030915
-24250	0.050349
-24750	0.023402
-25250	0.046827
-25750	0.031326
-26250	0.023554
-26750	0.019662
-27250	0.011819
-27750	0.023635
-28250	0.011828
-28750	0.015776
-29250	0.01578
-29750	0.015784
-30250	0.023687
-30750	0.015789
-31250	0.019742
-31750	0.019744
-32250	0.019745
-32750	0.01184
-33250	0.01184
-33750	0.01184
-34250	0.007887
-34750	0.007887
-35250	0.03556
-35750	0.019747
-36250	0.019747
-36750	0.01184
-37250	0.0237
-37750	0.0237
-38250	0.007887
-38750	0.031606
-39250	0.015793
-39750	0.03556