[10] Anthropologist Llyn de Danaan states that the word 'kus-de-cha' does not appear in the Chinook, Clatsop, or Lower Chehalis languages.

[16] Rankin, who also taught Chinese-American pilot Leah Hing, was interested in creating "a 'rainbow', all-female stunt team," but Riddle declined to participate, and the idea fizzled out.

"[15] She featured in an airshow at the 1930 Portland Rose Festival, riding up to her plane on horseback and in "full tribal costume".

[19] In August of that year, she made plans to fly to Washington, D.C., with "beaded gifts from Indian tribes of the Northwest", to be delivered to for "President Hoover and others".

[24] By 1937 she was performing as a parachutist[25] while touring the United States on The Voice of Washington, advertised as the largest tri-motored plane in the world,[26] on which she also served as chief stewardess.

[10] She began working with aluminum sheet metal as part of the U.S. Air Force's Civil Service, reasoning, "I just had to be near airplanes- even if I could not fly them.

"[27] After the war, Riddle became a receptionist at the Gibbs and Hill firm in New York City, but continued to fly on occasion and to visit the Northwest.