Tag Archives: Grand Canyon

Main image: A photograph taken in 1872 showing boats moored along Marble Canyon. Inset: A photograph of John Wesley Powell alongside a Native American named Tau-gu. Both photos were taken during Powell's second expedition down the Grand Canyon.
1869: John Wesley Powell – Unveiling the Geologic Majesty of the Grand Canyon

John Wesley Powell's groundbreaking expeditions in the late 19th century illuminated the vast geological history of the Grand Canyon, revealing its intricate layers and making it a central figure in geological studies

The view from Yavapai Point over the Grand Canyon showcases nearly 2 billion years of Earth’s geologic history, available for detailed study
c. 6.5 Million BCE: The Grand Canyon – A Geological Masterpiece

The Grand Canyon, one of Earth’s most remarkable geological formations, showcases the powerful erosive force of liquid water over time. It is a prime example of how rivers and streams can shape even the toughest [...]