The Chaco Slope is differentiated from the neighboring Chuska Valley, Chaco Core, and Chaco Plateau by distinct surface water drainage patterns and geological formations. These regions were first labelled by archaeologist Gwinn Vivian.
In the context of regional geography, the Chaco Slope is distinguished from its neighboring areas such as the Chuska Valley, Chaco Core, and Chaco Plateau due to their unique hydrological features and geological characteristics. Archaeologist Gwinn Vivian played a key role in identifying these distinctions.