CONTENTS FOREWORD =------------- 2-2-0 oo oon nn ne ee ene eee 4 ABSTRACT --------------------------------------------+--- ee -e 5 PREFACE---------------- 2-2-2 enn on ne ee ee eee eee 6 OBJECTIVES- -------------------------- 2-2 eee ene eee 9 BACKGROUND- - ---------------- 2-22-22 ee en ne nee 9 THEORY- - --------------------- eee ee en eee ene eee 9 SHOT PARTICIPATION- ------------------------------------------- 13 DATA REQUIREMENTS --------------------------- 2-2 ----0+------- 15 Aerial PhotographyTopographic Survey Fathometer Surveys Miscellaneous Data~ - ---------------- 2-22-22 2-22-52 e ener renee ee -----------+-------------------- seer reer eee -------------------- 2-52 2--- enn ee eee eee eeee ----------+---------- 22 - eee een nner teen eeee 15 15 16 16 RESULTS - ------------------ o-oo ne ee eee 19 DISCUSSION - -------------- 2-2 -- 2 een en nee ene ene es 19 Crater Dimensions, Shot Cactus------------------------2--2--------- 19 Crater Dimensions, Shot Koa------------------------------2------- 22 Crater Dimensions, Shot Fig ----------------------------2--------- 31 Craters from Barge Shots ----------------------- Beene ne nee eee eee 32 Crater Lip and Throwout----------+-------+----+----------------+---- 38 Depression Measurements - - ------------+---- 2-2-2 eee eee teeter eee 40 CONCLUSIONS- - -------------------------- +--+ ee ee ee eee eee-- 43 RECOMMENDATIONS - ---~----------------------------- eee eee eee eee 43 REFERENCES - ~ -------------- 2-2-2222 2222 --ee ee ee ee ee ee ee eee 43 TABLES 1 Crater Radius Data---------------------------2+---2------------ 15 2 Site Yvonne Drilling Log, Station 181.03----------------------------- 19 3 Site Helen Drilling Log, Station 180.01------------------------------ 19 4 Site Helen Drilling Log, Station 180.02------------------------------ 20 5 Site Irene Drilling Log, Station 180.03 ------------------------------ 20 6 Crater Data, Land Shots -----------------------+--+-+------++--+--- 20 7 Crater Data, Barge Shots- --------------------------+------------ 20 8 Comparison of Barge Shot Craters with TM 23-200---------------------- 21