![Fossil Collecting from the Middle Devonian at Beltzville State Park, PA – Natural History Society of Maryland Fossil Collecting from the Middle Devonian at Beltzville State Park, PA – Natural History Society of Maryland](https://www.marylandnature.org/wp-content/uploads/2021/07/phacops-og.jpg)
Fossil Collecting from the Middle Devonian at Beltzville State Park, PA – Natural History Society of Maryland
![Geologic maps showing locations of the fossil sites. A , Location of... | Download Scientific Diagram Geologic maps showing locations of the fossil sites. A , Location of... | Download Scientific Diagram](https://www.researchgate.net/profile/Spencer-Lucas/publication/283014735/figure/fig1/AS:286642558124032@1445352319695/Geologic-maps-showing-locations-of-the-fossil-sites-A-Location-of-fossil-site-1-the_Q320.jpg)
Geologic maps showing locations of the fossil sites. A , Location of... | Download Scientific Diagram
![Fossil Collecting in Pennsylvania, 3rd Edition (General Geology Report, No. 40): Hoskins, Donald M., Inners, Jon D., Harper, John A.: 9780818200199: Amazon.com: Books Fossil Collecting in Pennsylvania, 3rd Edition (General Geology Report, No. 40): Hoskins, Donald M., Inners, Jon D., Harper, John A.: 9780818200199: Amazon.com: Books](https://m.media-amazon.com/images/I/91Ey8o-OaUL._AC_UF1000,1000_QL80_.jpg)
Fossil Collecting in Pennsylvania, 3rd Edition (General Geology Report, No. 40): Hoskins, Donald M., Inners, Jon D., Harper, John A.: 9780818200199: Amazon.com: Books
![Fossil Collecting from the Middle Devonian at Beltzville State Park, PA – Natural History Society of Maryland Fossil Collecting from the Middle Devonian at Beltzville State Park, PA – Natural History Society of Maryland](https://www.marylandnature.org/wp-content/uploads/2021/07/beltzville.jpg)
Fossil Collecting from the Middle Devonian at Beltzville State Park, PA – Natural History Society of Maryland
![Sideling Hill - A Cross Cut View of the Fossil Rich Shale in Maryland and Pennsylvania - Where to Find Rocks Sideling Hill - A Cross Cut View of the Fossil Rich Shale in Maryland and Pennsylvania - Where to Find Rocks](http://www.wheretofindrocks.com/sideling-hill/fossil-shells-found-in-shale-in-pennsylvania.jpg)