Fort Rock Cave featured numerous well-preserved sagebrush sandals, ranging from 9,000 to 13,000 years old.

[7][8][9] Additionally, there is pumice and ash from Mount Mazama (deposited by the explosion forming Crater Lake about 7600 years ago).

[10] At this time, Cressman unearthed a number of sandals, with damage and charring, and used a chemical preservative to prevent further decay.

[14][15] A local Fort Rock resident was responsible for finding a fragment of woven material which was eligible for dating, placing it around 9000 years ago.

[10][11] Additional artifacts found after the initial excavations included projectile points, obsidian and stone tools, and faunal remains, as well as more sandals.

[9] Lithic artefacts from the cave are classified as part of the Western Stemmed Tradition, which was widespread across the Intermountain West during the latest Pleistocene-early Holocene.