[6] The 400 foot long trench was initially hand dug by a group led by Frederick W. Lander in 1860.

A warm day - got into camp at 10 oclock in this morning, laid over till evening - when we went 12 miles to Granite Creek or Wells."

[9] The earliest citation for Trego from an original source is from an April 29, 1912 newspaper article that states that "Borax" in the water was the cause of a train engine boiler explosion that killed three people.

[11] Desert Siteworks was a series of art events led by William Binzen, assisted by Judy West and John Law for three years (1992-1994).

[13][14] In 2020, the Bureau of Land Management reported that Trego Hot Springs was contaminated with E. Coli, Fecal coliforms and Vibrio cholerae and advised the public to avoid bathing.