Contents 



Preface vi 



Conversion Factors, Non-SI to SI Units of Measurement vii 



1 — Introduction 1 



Monitoring Completed Navigation Projects Program 1 



Work Unit Objective and Monitoring Approach 2 



Project Location and Brief History 3 



Purposes of the Study 8 



2 — Prior Monitoring of the Site 15 



Initial (Comprehensive) Monitoring 15 



Subsequent Armor Unit Monitoring (1984-1994) 20 



3 — Current Monitoring Plan and Data Comparison 22 



Targeting and Ground Surveys 22 



Aerial Photography 26 



Photogrammetric Analysis of Armor Units 26 



Broken Armor Unit Survey 31 



Comparison of Dolosse Armor Unit Movement Data 38 



Positions of CORE-LOC Armor Unit Targets 55 



4 — Summary 58 



References 60 



SF298 



List of Figures 



Figure 1. Location and vicinity map 4 



Figure 2. Manasquan Inlet, New Jersey 5 



Figure 3. Aerial view of deteriorated jetties at Manasquan Inlet, 



March 1962 6 



