Doherty High School Media Center
Sonar History Resources

1.  The Surveillance Towed Array Sensor System (SURTASS) Low Frequency Active (LFA)
(http://www.surtass-lfa-eis.com/)

2.  The History of Sonar
(http://inventors.about.com/library/inventors/blsonar.htm)

3.  Britannica Online
(http://www.school.eb.com/search?query=sonar)

4.  OXFORD Reference Online
(http://www.oxfordreference.com/views/ENTRY.html?entry=t126.e0861&srn=1&ssid=949102314#FIRSTHIT)

5.  Sonar Milestones
(http://www.sonarshack.org/milestones.htm)

6.  "Sonar" article in Wikipedia
(http://en.wikipedia.org/wiki/Sonar)

7.  Portable Fishfinders from Dealtime
(http://www.dealtime.com/xDN-Marine_Electronics--nw_active_gear~V-rows)

8.  Batmobile Projects
(http://www.isr.umd.edu/Labs/CSSL/horiuchilab/projects/batmobile/batmobile.html)

9.  Seamount Site
(http://www.webref.org/geology/s/seamount.htm)