Grand River [Colorado River] came upon us or rather ... August 8 -- Redwall Cavern, John Wesley Powell: "The water sweeps rapidly in this elbow of river, and has cut its way under the rock ...

John Wesley Powell is born on March 24 in Mount Morris ... Sets off on his first scientific expedition to Colorado on June 1. His wife Emma is one of the party of 12. On this trip she becomes ...

Its first director, John Wesley Powell (1834-1902), helped shape the field of ethnology and anthropology. Powell’s exploration work and the findings referenced in his Report of the Exploration of the ...