[5] A foreclosure sale in 1861 records, "Arroyo de la Presa, now called by the Americans Bear Gulch...which heads near the summit of the mountains (Sierra Morena)".

[6] In 1850, Mexican war veteran James H. Ryder was working for Dr. Robert Orville Tripp’s lumber company, which used oxen to haul the logs to what is now Redwood City, where they were then floated to San Francisco.

When two oxen went missing, Ryder went looking for them only to be attacked by a California grizzly bear (Ursus arctos californicus) with two cubs when he stopped for a drink at a creek.

On 2 December 1964, Superintendent Ken Johnson hatchery near Orick, Humboldt County, California 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.

[11] 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.