Geology and mineral resources of the Bellefonte quadrangle, Pennsylvania (US Geological Survey bulletin 855.)
Series
U.S. Geological Survey bulletin ;
855.
U.S. Geological Survey bulletin ;
855.
- Plate 1: Geologic map of the Bellefonte quadrangle, Pa.
- Plate 2: Geologic structure sections of the Bellefonte quadrangle, Pa.
- Plate 3: Columnar geologic section in the Bellefonte quadrangle.