TJL Buildings Timeline
| c. 1890 | Calender House |
| 1910 | Foundation Stocks (C.V. Green Lab. on Highseas grounds) Deactivated |
| 1912 | High Seas Cottage Lo Seas Cottage |
| 1925 | High Seas Dog House |
| 1929 | Original Unit 1 Fire, 1947 |
| 1939 | Unit 2 Fire, 1947 |
| 1943 | Aldersea Cottage Sold |
| 1946 | Extension to Unit 1 Fire, 1947 Hamilton Farm Station Sold |
| 1948 | Reconstruction of Unit 1 and 2 Unit 3 Student Dormitories Removed, 1996 |
| 1949 | Unit 4 |
| 1950 | Summer Kitchen Health Office (Conversion of dormitory) |
| 1955 | Cloudman - Animal Production |
| 1956 | Lab Animal Medicine (chemotherapy) - Animal Production |
| 1957 | Engineering and Safety Radiobiology Lab |
| 1959 | Morrell Park Laboratory - Animal Production |
| 1961 | Unit 5 |
| 1962 | Importation Facility - Animal Health Boiler House |
| 1963-73 | Woodland Cottages (Buildings 1 - 6) |
| 1965 | Storehouse Shop |
| 1969 | Morrell Park Fire, 1989 |
| 1972 | Library and Conference Center Mammalian Genetics Lab (Earl Green Mammalian Genetics Lab.) |
| 1978 | Grounds Equipment Shed |
| 1978-85 | Mouse Production Annex (Room 1 - 4) |
| 1980 | Animal Research Laboratory Biomedical Research Lab. (George Snell Biomedical Research Lab.) Cooling Tower Pump Water Pump Stations Shaving Storage |
| 1983-85 | Energy Center |
| 1985 | Bio Hazard Shed |
| 1988 | Engineering Office Trailer Deactivated, 1999 |
| 1989 | Computing Training Trailer |
| 1989-90 | Morrell Park Modular Animal Units Removed, 1999 |
| 1990 | Foundation Stocks (Russell-Dickie) Clean Process Facility |
| 1992 | Modular Office Bldg./Computing Services |
| 1993 | Mouse Production Rooms 5 - 12 North Research Laboratory (NRB) Fire Water Pump House |
| 1994 | Modular Office Bldg./Development |
| 1999 | Modular Office Bldg./Engineering & Facilities |
| 1999-00 | Genetics Resources (GRB) |
