The Irwins, archaeologists at Magic Mountain, believe that the artifacts are from ancestors of Puebloan people of the American southwest.
The cultural complex is distinguished by its Apex projectile points, which were noted for the increase in their frequency as one starts from the bottom to the top zone of the Magic Mountain site.
[1] Discovered tools also included scrapers, choppers, and leaf-shaped bifaces, which may have been used as knives.
[2] Evidence of a few grave sites suggest that burials were conducted near their living areas, covered with stones and milling slabs.
[4] It is also noted that the characteristics of the projectiles reflect a parallel technological developments found in San Jose and northern New Mexico.