44 BACKGROUNL READINGS -— UINTA MOUNTAINS 1962 — 1968 September 1962 1. Upper Ottoson Cirque ~ 4 September 1965. a ‘go. Background reading on soil and plants From drainage area: at base of large rock. 0.6 nf/hr. b. Sheep mamure collected from meadow. C.1 mit/hr.. x. “Rackground sampling using am “Eberline Model CSID geager eowiter showed up to 0.5 mR/hr im some plants at the bases: ef rock slides. Highest background was found im plant corpses near taius slopes 0.2 (taker with probe open). Background at 1 meter abave surface was 02..05 mR/hr.”’ 2 CUleveland Ridge — 6 Septesber 62 “Top of ridge betweem Ottoson. Basin amt East Basie 11,600: feet. Eackground 0.05 s8/br at three feer;, O..1 — .15: mR/hrat surface.’ Septrester [967 2. Upper Ortosom Cirque — 2 Septremtrerx: 1963... #. Hackground I meter above ground — berm: shield closed... O.029+.007 mi/ir. Reading at ground level with beta shield open.. 0.430.045 mR/hr. Readings at ground level with beta shield opem. 10 meters from talus slope. D.270:.027 wR/hr. Readings at ground level with beta shield open, 20 meters from talus slope. -~_ D.iIL8+.061 mR/hr.