Toko-Ri was a creation of James Michener.
Behind The Bridges at Toko-ri - true facts behind fictional book by James A. Michener
http://findarticles.com/p/articles/mi_m0IAX/is_3_84/ai_108548248
I posted the link in case anyone was interested in what inspired Michener.
Apparently, not... but then there were no survivors of the Toko-Ri mission, were there?