[Identification of item], Donald R. Snethen's Collection on Expansive Soils, Oklahoma State University Archives, Oklahoma State University Libraries.

[Identification of item], Donald R. Snethen's Collection on Expansive Soils, Oklahoma State University Archives, Oklahoma State University Libraries. https://archivesspace.library.okstate.edu/repositories/3/resources/1017 Accessed November 22, 2024.