-— COLUMBUS, WISCONSIN T BD 84,45 20 - 65 - FOF Tf roy Y ; OY Fg TeTF ? fey yf TPF YY FP Pd? rr bee TTT TYTTTTITTI K | FP PF FOF JFMAMSSASONDIJEMAMJJASONDUFMAMUJASONDUFMAMJJASOND JFMAMJJASOND J ff po —lay 7A 1 0 . R ‘ Shey 32+— MONTHLY Sr LEVELS IN POWDERED MILK- 4 FIGURE 10