Hematite from selected localities.
USA | |
| J. Wingard, Personal Observation 3-27-04 |
| Min. Col. PA - 1976; Geyer, Smith and Barnes |
Min. Col. PA; Geyer, Smith & Barns, Pgs. 147-149 |
USA | |
| J. Wingard, Personal Observation 3-27-04 |
| Min. Col. PA - 1976; Geyer, Smith and Barnes |
Min. Col. PA; Geyer, Smith & Barns, Pgs. 147-149 |
Mud Lake - Grubb Lake, West Hempfield Township, Lancaster County, Pennsylvania, USA