Vermiculite from Fulton Township, Lancaster County, Pennsylvania, USA
USA | |
| Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania |
Personally Collected 4/12/2008, Mark J. Sigouin, Pennsylvania Licenced Professional Geologist |
USA | |
| Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania |
Personally Collected 4/12/2008, Mark J. Sigouin, Pennsylvania Licenced Professional Geologist |
Haines & Kibblehouse Penn-Maryland Materials Quarry, Fulton Township, Lancaster County, Pennsylvania, USA