✦ LIBER ✦

The Horizon of the South Valley Hill Rocks in Pennsylvania

✍ Scribed by Persifor Frazer

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Geology of the South (Chester) Valley Hi

✍ Theo. D. Rand 📂 Article 📅 1890 🏛 Bioone 🌐 English ⚖ 147 KB

Aboriginal Rock Engravings of the Panara

✍ David Mott 📂 Article 📅 1999 🏛 Informa UK (Taylor & Francis) 🌐 English ⚖ 418 KB

The Relation of Soils to Human Environme

✍ Higbee, Howard WM. 📂 Article 📅 1935 🏛 The American Society of Agronomy 🌐 English ⚖ 301 KB

Rock Paintings at Sandhills in the Hex R

✍ W. I. Trew 📂 Article 📅 1984 🏛 JSTOR 🌐 English ⚖ 988 KB

TERRACES IN THE SUSQUEHANNA VALLEY BELOW

✍ Mackin, J. H. 📂 Article 📅 1934 🏛 American Association for the Advancement of Scienc 🌐 English ⚖ 99 KB

Trap Dykes in the Archœan Rocks of South

✍ Persifor Frazer 📂 Article 📅 1884 🏛 Smithsonian Institution Biodiversity Heritage Libr 🌐 English ⚖ 447 KB