241 am ACTIVITY,pCi/g 3 4 5 6 DEPTH (CM} 7 8 9 10 FIGURE B-8-6. “47am ACTIVITY VERSUS DEPTH AT 12 LOCATIONS ON EXPERHMENTAL PLOT B-8-13
241 am ACTIVITY,pCi/g 3 4 5 6 DEPTH (CM} 7 8 9 10 FIGURE B-8-6. “47am ACTIVITY VERSUS DEPTH AT 12 LOCATIONS ON EXPERHMENTAL PLOT B-8-13