Question

____ led geological expeditions through the Grand Canyon to describe its many formations and who would become the director of the United States Geological Survey.

Answer 1

John Wesley Powell led geological expeditions through the Grand Canyon, described its formations, and became the director of the United States Geological Survey.

Step-by-step explanation:

The individual who led geological expeditions through the Grand Canyon, helped to describe its many formations, and later became the director of the United States Geological Survey was John Wesley Powell. Powell is especially noted for his pioneering exploration of the Grand Canyon and his role in identifying the "Great Unconformity" between different rock types in the Canyon as well as for leading the first known boat trip through the area in 1869. His work in the Grand Canyon provided valuable geological insights and contributed to our understanding of the geological history and landscape formation.