Down the Great Unknown

"Down the Great Unknown" explores the dramatic saga of John Wesley Powell and his crew of nine mountain men as they embark on a perilous expedition through the uncharted Grand Canyon in 1869. Drawing on rarely examined diaries, the book chronicles their harrowing journey down the Colorado River in wooden rowboats, highlighting their struggles and resilience over the course of ninety-nine days. This account presents a vivid narrative of their quest to unveil the West's last great mystery, showcasing a memorable cast of characters in one of America's final epic adventures.