| Wounds sustained in barnyards or stables are considered contaminated. |
| Locate and design feedlots or barnyards carefully to prevent surface runoff toward well heads and well recharge areas, drainage ditches, or streams. |
| For efficiency, a pipeline must follow the lay of the land, cutting through barnyards and across cultivated fields. |
| Water from shallow wells within a hundred feet of barnyards, pigpens, or other outhouses is usually unsafe to drink. |
| Barnyards are often a disgrace through the accumulation of manure and seepage. |
| Farmers emptied their barnyards and built factory-size sheds in the rolling hills. |
