Be 
Many of the cores are from areas of rough topography. At these 
core stations the cores obtained were often shcrt, the coring tubes were 
bent, and sometimes the coring apparatus was lost. The scientific informa- 
tion, however, from that type of coring is of outstanding value. 
The collection is not a finished series. A campcign of coring has 
been tentatively planned for the coming year. 
The research on the cores has led to several conclusions, prev- 
iously published and summarized in this report, regarding the processes of 
sedimentation, the sediments themselves, Recent and Pleistocene stratigraphy, 
submarine erosion and the combined effect on ocean bottom topography. The 
importance of the nature of the sea bottom in relation to the transmission 
and reflection of sound which has significant Naval applications has also 
been shown. 
It is hoped that the research on the present collection of cores and 
new material will also add to the knowledge of the structure of ocean basins, 
the origin of continents, the chronology of Pleistocene climatic changes, 
diagenesis, and the origin of petroleum, The results of this research will 
of course influence the concepts on sedimentation applied by geologists 
working in continental areas, 
