California removed an 18-foot dam after 70 years; salmon returned to spawn upstream by 2026

SignalsMonitor is following this as a general story. Times of India World is the outlet attached so far. The first report grouped here was at 20 Sept 2026, 03:32 UTC. The headline in use is “California removed an 18-foot dam after 70 years; salmon returned to spawn upstream by 2026”. This note is SignalsMonitor's own briefing, not the publisher's article.