TY - CHAP A1 - Lea, I. DO - 10.5962/bhl.title.18987 C1 - 227 pp., 6 pls. Carey, Lea and Blanchard, Philadelphia. TI - Contributions to Geology. UR - https://www.biodiversitylibrary.org/page/17592495 PY - 1833 Y2 - 2024-03-28 ER -