2.1 co©0 ealibration eurves for fils types (Vila ia yas holder). ° o a e e ° e * * e e ° e » e » e @ (File io 5Es bolder). e e e * e ° e e e ° . e e * ° e Cd ° oe es e * ° eo e e e es 2.2 co® ealibration curves for film types 2.3 2.4 Quarts-fiber rate device with dosimeters. . 2... 2 2 ee Cuarts-fiber rate device with dropping mechaniam. ... . 2.6 B00-curie Co 2.5 Co calibration curves for filx types (Fila in was poider). o °° e » e » e . ealibration eurve.........-000. 2.7 Dupent $02 energy-dependence curve normalised to 2.8 Dupent $10 energy-dependence curve norzalised to 2.9 Coo? value (Pile in RBS holder... . 0... ee ee eee Co valwe (Film in BBS holder)... 2. 2 2 eo ee Dupont 606 energy-dependence curve normalised te eee Co™* value (Pilm in WBS helder) .. 2. 2. 2 se © e ew oo 2.10 Quarts-fibder dosjzeter energy-iependence eurve pormalized to 008° value. . 2-2 ee eee et tt ew 2.11 AN/PDE-39 energy-depenidence curve normalised te Initial-game exposure versus tize for quarte-fiber rate device. . . 2. 2.6 2 ee eo ae ww ewe Inittial-gaana exposure versus distanee for * es e * wwe owe e ° Bavajo and Tewa . 2. 2 2 20 2 ee ww we wee 3.5 Zui 76-hour residual exposure (roentgens). . . 3.6 Flathead 72-hour residual exposure (roentgeas). 3.7 Navajo 48-hour residual exposure (roentgens). . 3.8 Tewa 78-hour residual exposure (roentgens). . . e e e * * . e e es © eo @ ° © e 8° e * e @ a # e o e e e * * * os ° funi @© 3.4 and Initieal-gamme exposure versus distance fer Ylathead, Dakota, and Kawajo. . . 2 2. 2 2 ee eo Initieal-gamma exposure versus distance fer 8 3.3 > Cherokes e 3.2 co80 value. 2... ee et tt et tt te te et oe 3.1 SF @amma exposure fer l-kt surface burst... 1. + 2 ew eo BSUsNA 2 S$ BAS FA FS FS BSE BP YIGURBS 1.2