Aka Oberholtzer’s Mill / Hurst Brothers Mill
| 1793 | Cyrus Jacobs builds Spring Grove Forge |
| 1867 | Forge Closed |
| 1868 | Peter Zimmerman |
| 1868 | Joseph Oberholtzer |
| 1897 | Peter W. Oberholtzer |
| 1909 | Samuel Gehman |
| 1912 | Weaver Horst |
| 1922 | Paul Horst |
| 19?? | Irwin & Weaver Hurst |
| 19?? | Richard & Douglas Hurst |
| c1994 | Operations ceased |
| 2000 | Titus Reiff |
| 2004 | Jonathan Reiff |
Currently the old mill is in fair condition and is used for farm equipment storage.
The mill is located at 360 Spring Grove Road, East Earl, PA.
| Built | 1868 |
| Structure | 4.5 Story Stone |
| Water Source | Conestoga River |
| Township | East Earl |
| Type | Flour/Grist |
| Headrace | None |
| Tailrace | 1,300 feet |
| Dam Height | 8 feet |
| Power | 2 Turbines |
| Capacity | 60 bbl / day |
