[4] The hatchery continued production of trout and salmon during the 1940s, but as the water supply deteriorated as mechanized logging increased following World War II.

[4] On 2 December 1964, Hatchery Superintendent Ken Johnson found a 2-year-old marked coho salmon swimming in a tank of newborn fish, exactly where he had been raised two years earlier.

Looking for how he got into the tank, workers found 72 more marked coho jack salmon of the same age class stuck in the flume or drainage pipe on the way to the hatchling pond.

[8] The story of Indomitable received massive press coverage, inspired a book, and continues to be cited as one of the amazing feats of animal migration.

The first, a 22 feet (6.7 m), two-ton sculpture by Floyd Davis of Gasquet, California was made and installed in 1974 after fundraising efforts by System 99 Vice-president Ed Henke.