Another historial nugget we learned today -- the lamprey were so numerous in the Merrimack River, that the people of Manchester (called Derryfield in the 1800s) that they were called Derryfield Beef.
![HPIM1024-1.JPG](http://static.flickr.com/66/159577618_8a57fbaa4d.jpg)
![HPIM1027-1.JPG](http://static.flickr.com/71/159576984_ae61d7671e.jpg)
![HPIM1025-1.JPG](http://static.flickr.com/69/159577456_81ba0a4cde.jpg)
Check out all the photos here: 8th Annual Lamprey Appreciation Day