GAMMA DETERMINATIONS OUTDOORS - 1958 All readings were taken 3' above ground primarily at the author's residence employing a "Nuclear" beta-gamme portable 33 mgm/on Geiger Survey Meter with probe shield closed. Date | mr/hr. . Date mr /hr. 4 /21 4/22 0.015 0.015 6/4 6/5 .O1 .Ol 4/ok 4/25 4/26 «010 .010 .010 6/7 6/8 6/9 .005 .O1 2025 4/30 5/1 6015 -010 6/13 6/14 .015 O15 4/23 .O15 4/27 4/28 4/29 6015 .012 .010 5/2 .O10 2015 01 Ol -O15 -010 6/19 -015 .012 6/21 . .010 .015 .010 5/8 005 5/10 -015 5/12 .015 5/9 6/10 6/11 6/12 -O1 6/15 5/3 5/4 5/6 5/7 6/6 6/16 6/17 6/18 6/20 6/22 -O10 O15 .O15 .010 .010 O15 .010 6/23 .010 -010 -010 6/25 6/26 - .015 .010 5/16 5/17 5/18 OL -015 .010 6/28 “6/29 6/3 -O15 .015 -015 5/20 O15 T/2 .015 7/4 .010 5/41 5/13 5/14 .010 5/15 5/19 010 5/21 015 010 Oakland 5/22 .010 5/23 5/ak - .010 2fa .012 " 010 010 .012 5/25 5/26 5/27 .O1 5/29 5/30 7/1 143 .010 010 T/T ue wg .010 on ‘ 7/10 7/11 7/15 6/3 ,010 .010 .O1 Ol 020 7/5 7/6 7/12 .O1 .O1 | 6/27 005 5/31 6/1 6/2 6/2 7/13 7/14 7/16 T/1T 015 «010 -O15 -010 010 015 +005 005 .O10

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