MAEIOiSr " EXPEDITION TO DAVIS STEAIT AND BAFFIN BAY 61 



55-W M'W 



GHceHU^^^P 



Figure 40. — Chart showing tlio speed of sound through the water foi- sonic sounding 

 purposes In the Davis Strait region. The figures show the speed of sound in the water 

 columns of different areas in fatlioms per second 



