Quartz from selected localities.
USA | |
| missourigeologists.org/Min-Loc3.pdf |
| Geyer, Alan R. , Smith II,Robert C., Barnes, John H. (1976), Mineral Collecting in Pennsylvania, Page 218-219 Rose, Arthur W., (1970) Pennsylvania's Mineral Resources, Part 3 Metal Mines and Occurrences in Pennsylvania, page 12 Preston E. Hotz (1950), Diamond-drill exploration of the Dillsburg magnetite deposits, York County, Pennsylvania |
Geyer, Alan R. , Smith II, Robert C., Barnes, John H. (1976), Mineral Collecting in Pennsylvania, Page 218-219 | |
Rose, Arthur W., (1970) Pennsylvania's Mineral Resources, Part 3 Metal Mines and Occurrences in Pennsylvania, page 12 Preston E. Hotz (1950), Diamond-drill exploration of the Dillsburg magnetite deposits, York County, Pennsylvania | |
Rose, Arthur W., (1970) Pennsylvania's Mineral Resources, Part 3 Metal Mines and Occurrences in Pennsylvania, page 12 Preston E. Hotz (1950), Diamond-drill exploration of the Dillsburg magnetite deposits, York County, Pennsylvania | |
Geyer, Alan R. , Smith II, Robert C., Barnes, John H. (1976), Mineral Collecting in Pennsylvania, Page 218-219 | |
Preston E. Hotz (1950), Diamond-drill exploration of the Dillsburg magnetite deposits, York County, Pennsylvania Rose, Arthur W., (1970) Pennsylvania's Mineral Resources, Part 3 Metal Mines and Occurrences in Pennsylvania, page 12 | |
Geyer, Alan R. , Smith II,Robert C., Barnes, John H. (1976), Mineral Collecting in Pennsylvania, Page 218-219 | |
Geyer,Alan R. , Smith II,Robert C., Barnes, John H. (1976), Mineral Collecting in Pennsylvania, Page 218-219 | |
Preston E. Hotz (1950), Diamond-drill exploration of the Dillsburg magnetite deposits, York County, Pennsylvania Rose, Arthur W., (1970) Pennsylvania's Mineral Resources, Part 3 Metal Mines and Occurrences in Pennsylvania, page 12 | |
Geyer, Alan R. , Smith II, Robert C., Barnes, John H. (1976), Mineral Collecting in Pennsylvania, Page 218-219 | |
Geyer, Alan R. , Smith II, Robert C., Barnes, John H. (1976), Mineral Collecting in Pennsylvania, Page 218-219 | |
Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania |