Lock 8

Work began here in Rotterdam in 1908 on Erie Barge Canal Lock 8. In addition to constructing Lock 8, engineers built a three-span moveable dam (about 510 feet wide) that raises boats heading upstream as much as 15 feet when the dam is activated. Many people mistake the dam for a bridge, (which it is not) but a walkway that allows for necessary maintenance. Beneath the dam's trusses are steel frames each containing a giant steel plate. Below the dam's base, a concrete sill constructed on the river bed spans the river's width. When these frames are swung open and lowered by chains onto the sill, they form a dam.

Dam gates can be adjusted up or down almost like window shades, to control the volume of water and its rate of flow. Raising or lowering the dam must be carefully coordinated with the lock operators downstream to prevent the release of too much water which might flood the river bank banks. Therefore, lock gates downstream must all be raised or lowered accordingly.

https://www.hmdb.org/m.asp?m=130555

3 organizers are arrested : NPR

Atlanta’s ‘Cop City’ protests: 3 organizers are arrested : NPR

ATLANTA — Police on Wednesday arrested three Atlanta organizers who have been aiding protesters against the city's proposed police and fire training center, striking at the structure that supports the fight against what opponents derisively call "Cop City."

The Georgia Bureau of Investigation announced its agents and Atlanta police had arrested three leaders of the Atlanta Solidarity Fund, which has bailed out protesters and helped them find lawyers.

Happy 22nd Birthday to the Blog !

Sometimes it's amazing to think I've been telling my story on my blog since June 2001, which makes this blog not only old enough to drink but also only three years shy of being a quarter century old.

Taken on Thursday June 1, 2023 at Blogging.