Reports on the results of soil test borings for the site of a natural resources building on the campus of UIUC, and a subsequent addition to the building. Papers dated 1938 and 1944.

Soil test boring reports and correspondence concerning a UIUC mechanical engineering building; papers dated 1944 - 1949.

Soil test boring reports and correspondence concerning several additions made to a UIUC Library building between 1946 and 1962. A fifth, sixth, and seventh addition are mentioned, as well as a Library Stack addition.