TABLE 2 B. PC E (MeV) .25 . 364 .50 . 662 .75 1.0 1.25 1.46 1.76 2.00 2.25 2.50 2.62 2.75 h (m) 0 1.89(-2) 3.33 (-2) 5.32(-2) 7.87 (-2) 9.36(-2) 1.37 {-1) 1.82 (-1) 2.22(-1) 2.80(-1) 3.27 (-1) 3.73 (-1) 4.23(-1) 4.50(-1) 4.74(-1) tMeV/gm-sec = 65.9 ur/hr: wl a) 1.87 (-2) 3.31{(-2) 5. 28(-2) 7.83 (-2)} 9.31(-2) 1.36(-2) 1.81 (-1) 2.21 (+1) 2.79 (+1) 3. 26(-1) 3.72 (+1) 4.22(-1) 4.49(-1) 4.73 (-1) 1.82 (-2) 3.22 (-2) 5.16(-2) 7.67 (-2) 9.13 (-2) 1.34 (-1) 1.79(-1) 2.18(-1) 2.75 {-1) 3.22{-1) 3.67 (-1) 4.17 (-1) 4.44 (-1) 4.68 (-1) Unscattered y-Rayst 1 1.77 (-2) 3.14 (-2) 5.04 (-2) 7.50 (-2) 8.94 (-2) 1.31(-1) 1.76(-1) 2.15{-1) 2.71 (+1) 3.17 (+1) 3.62 (-1) 4.12(-1) 4.39(-1) 4.62 (-1) 1 ur/hr = 7.65 mrad/yr. (Cont'd) 3 1.60(-2) 2.88 (-2) 4.66{-2) 6.99{-2) 8.35(-2) 1.24 (-1) 1. 66(-1) 2.03 (-1) 2.58(-1) 3.02 (=1) 3.47 (-1) 3.95 (-1) 4.21(-1) 4.44(-1) 5 1.48 (+2) 2. 68 (-2) 4.37 (-2) 6.59(-2) 7.90 (-2) 1.17 (-1) 1.58(-1) 1.95 (-1) 2.48 (-1) 2.91 (1) 3.34 (+1) 3.81(-1) 4.06(-1) 4.29(-1) 10 30 1.25 (-2) 2.29(-2) 3.79(-2) 5.80(-2) 6.98 (-2) 1.05 (-1) 1.43 (-1) 1.77 (-1) 2.27 (-1) 2. 68 (-1) 3.09(-1) 3.53 (-1) 3.77 (-1) 3.98 (-1) 7.21(-3) 1.40(-2) 2.42 {-2) 3.85 (-2) 4.72{-2) 7.38 (-2) 1.04 (-1) 1.31 (+1) 1.71(-1) 2.04 (-1) 2.39(-1) 2.75 (-1) 2.97 (-1) 3.14 (-1) 100 1.65 (-3) 3.70(-3) 7.34 (-3) 1.30(-2) 1. 67 (-2) 2.90(-2) 4.41(-2) 5.84 (-2) 8.10(-2) 1.01(-1) 1.21{-1) 1.44 (-1) 1.58(-1) 1. 68(-1) 300 5.31{-5) 1.72 (-4) 4.71(-4) 1.09 (-3) 1.58 (-3) 3.51(-3) 6.46 (-3) 9.63 (-3) 1.53 (-2) 2.07 {~2) 2.70(~2) 3.39(-2) 3.91(-2) 4.21(-2)