Analysis of the condition of Echo Tower, Azores fixed acoustic range, after on year at 1500 feet of depth
By: by James F. Jenkins
Series: NCEL Technical note -- N-1284; Technical note (Naval Civil Engineering Laboratory (Port Hueneme, Calif.)) TN -- N-1284.
Publisher: Naval Civil Engineering Laboratory
Published: 1973
Place of publication: Port Hueneme, Calif
Language: eng
Number of pages: 22
Notes: Cover title.

"May 1973"