Cuu William Morris Davis (1850–1934) cua̱a̱ jɛn gua̱n jɔgrapia̱a̱ America kä ɛ jɛn ram ëë ci̱ ŋäc la̱t rep kɛ duɔ̱p in laa thuuk kɛ jɛn ɛn tilij.