An employee of Linkel Environmental Construction removes remnants of a dam Thursday on the Sabattus River in Lisbon.

Interim Lisbon Town Manager and Police Chief Ryan McGee speaks Thursday prior to work being done to remove remnants of two dams on the Sabattus River in Lisbon.

Employees of Linkel Environmental Construction remove one of two iron gate works from the dam Thursday on the Sabattus River in Lisbon. Two gate works were removed and will be kept by the Town of Lisbon and will be put on display at a later date.

An employee of Linkel Environmental Construction removes remnants of a dam Thursday on the Sabattus River in Lisbon.

Employees of Linkel Environmental Construction remove one of two iron gate works from the dam Thursday on the Sabattus River in Lisbon. Two gate works were removed and will be kept by the Town of Lisbon and will be put on display at a later date.

John Burrows of the Atlantic Salmon Federation speaks Thursday prior to work being done to remove remnants of two dams on the Sabattus River in Lisbon.

Employees of Linkel Environmental Construction remove one of two iron gate works from the dam Thursday on the Sabattus River in Lisbon. Two gate works were removed and will be kept by the Town of Lisbon and will be put on display at a later date.