No Pacific Ocean
USA
California
San Diego Co.: N of SIO Pier, off Sumner Canyon
23May1950
1440
32°52.0'N - 117°15.0'W
32.867, -117.250
-
0-430 ft
to 430 ft
blast 6 & blast 7
dynamite
CL Hubbs & party, SIO
sand
50-140.pdf