Final answer:
The exact dimensions of the Old Minnehaha County Jail are typically available in architectural records or historical archives, which would be found through a local historical society or library.
Step-by-step explanation:
The dimensions of historical buildings, such as the Old Minnehaha County Jail, are typically found in architectural records or historical archives. As factual and numerical data related to architecture, the specific dimensions such as length, width, height, or total square footage would usually be available through a historical society or county records.
If seeking this information for academic purposes or personal interest, you might reach out to the local historical society or visit a local library or archives that holds historical records of the building in question. Unfortunately, without access to these specific resources, I am unable to provide the exact dimensions of the Old Minnehaha County Jail. Historical landmarks are important parts of our cultural heritage and understanding their physical attributes can offer insight into the past.