Y| V Co Sarple Nos Altitude Collection Date ( Excess Carbon-1 (atons per gram) (of air x 10~ 2-107 9262 C2-110 9h 00 d. Oh Nar 58 Ol Apr Gross Krypton-35 (atoas per gram) (of air x 1073 ) 96.5 + 6.9 19bs 15002 + 1509 195 From Sao Paulo, Brazil (23°S) (1) Collections fron 19.600~52,300 feet PR=131 1906 23 Nov $7 047.6 22.9 BR-136. 51.3 WU; Dee 045.5 _ 230k BR-1 51.0 12 Jan 58 0 + 9.0 2304 BR-1h3 50.5 03 Feb 0 + 8.7 22.8 BR-150 49.6 1h Mar O + 505 23.03 5263 02 Apr 11.4 + 6.2 2307 50.5 12 May he8 + 509 24.9 BR-15L | SR~157" (2) Collections from 6!:,100-58,500 feet BR~133 65.0 25 Nov 57 ER~135 66.0 12 Dec B2-1h0 65.0 10 Jan 58 61.3 + 649 17.8 BR-1h2. 65.8 03 Feb 72.0 + 6.9 18.2 R-ILg 65.5 13 Nar 55h + 7.6 19-0 E2.152 68.5 03 tpr 119.7 + 766° 18.8 ER=155 65.0 O9 May 55eh $ 11M 21.3 BR-160 6lte1 Oh June 52.64. 6.2 200s =a 85.8 + 5.9 106.9 + 8.7 16.7 | 16.6

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