Each of the main trails has a separate history, with a separate builder. Here's a starting list of trails with their builders
Bright Angel Trail -- Havasupai Natives
Grandview Trail -- miners.
Hermit Trail -- Sante Fe Railroad.
Kaibab Trail -- National Parks Service
Clear Creek Trail -- Civilian Conservation Corps
William Bass is credited with "more than fifty miles of inner canyon trails," and there is a trail named after him.
yes there is animals living in the grand cayon
The Grand Cayon is a place not a person
the grand cayon
No.No. The UN only is in NYC in the UN building. The Grand Cayon is a federal national park.
The grand cayon
northAmerica
Arizona
Grand Canyon is located in Arizona
they're the same.
The Grand Canyon is in Arizona.
He Only saw the grand cayon
orange brown and a little tan