"Sinking Insights: The Structural Story of IU's Main Library" The Main Library at Indiana University, a cornerstone of the institution’s academic resources, is facing a unique structural challenge: it sinks over an inch every year. This phenomenon, which can be attributed to the initial oversight by engineers during the library's construction, serves as a compelling case study in architectural design and structural integrity. When the library was built in the late 1960s, the original plans did n