Soil Sterilizer Shed – UGA 4751 (1950, Category 2). The Soil Sterilizer Shed is a small, one-story gable roof structure with concrete unit masonry walls and siding infill at gables. The building has a vehicular entrance. It has a small shed-roofed addition with a personnel door. Constructed in 1950, the structure retains integrity and is assessed as Category 2.