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Quagga Mussels on the Lower Colorado River
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In early 2007, the Bureau of Reclamation inspected Hoover, Davis, Parker, and Headgate Rock dams for quagga mussels using a remotely operated vehicle. This video chronicles these inspections.


Please be patient while it loads as it is a 12 MB file;
it takes about 10 minutes to view.


The transcript of this video is also available.


Webmaster: Colleen Dwyer, cdwyer@usbr.gov
Updated: June 2008