The Painted Hills are a part of which national site?

The Painted Hills are a part of which national site?

A Grand Canyon National Park
B John Day Fossil Beds National Monument
C Yellowstone National Park

The John Day Fossil Beds National Monument is a remarkable testament to Earth’s ancient history. Established in 1974, it preserves a diverse array of plant and animal fossils. There are three distinct units of the monument: Clarno, Painted Hills and Sheep Rock.

The correct answer is John Day Fossil Beds National Monument.