CONTENTS (Continued ) 5.4 5.5 5.6 6 Distribution of Sr® in Animal Bone. Srin Human Milk 136 FALLOUT MECHANISM . 6.1 Precipitation Samples Collected at Mount Washington Observatory 6.2 New Haven Dustfall Fallout Collections in Hartford, Conn., Area . Sr® in Antarctic Snow 136 136 136 137 6.5 Sr” in U. S. Weather Bureau Polar. Operations Snow Samples Sr®™ in Nevada Soil Samples srt in Hawaiian Air Samples Sr* Fallout Collections on Weather Ships 137 137 137 138 6.3 6.4 6.6 6.7 6.8 7 126 126 126 Turnip Experiment . 150 VARIABILITY OF Sr” IN MILK 7.1 7.2 New York State Department of Health Milk Powdering Plantppurvey- Variability of Sr’ in Powdered Milk During a One-day Spray-drying Operation at Columbus, Wisc. 7.3 150 150 . . . : : Variability of sr™ in Milk Collected at Six Wisconsin Farms 150 150 Part 3—BIBLIOGRAPHIES Annotated Bibliography on Long-range Effects of Fallout from Nuclear Explosions 157 Bibliography — Miscellaneous Papers Published Since the Congressional Hearings of 1957 169 Bibliography of Documents Submitted to the United Nations Scientific Committee on the Effects of Atomic Radiation 173 Part 4—SELECTED PAPERS Radiostrontium in Soil, Grass, Milk, and Bone in the United Kingdom, 1956 Results 209 The World-wide Deposition of Long-lived Fission Products from Nuclear Test Explosions 231 Measurements of Cs}*? in Human Beings in the United Kingdom 249 Remarks Prepared by Dr. Willard F. Libby . 253 Statement on Radioactive Fallout 269 villi