Siderite from Lower Towamensing Township, Carbon County, Pennsylvania, USA
USA | |
| Topo. & Geol. Sur. of Penna., Rpt. #4 - The Min. Pigments of penna: 58. |
| Report: The mineral pigments of Pennsylvania, by B.L. Miller. 1911, Volume 4 By Pennsylvania. Topographic and Geologic Survey Commission |