TY - BOOK ID - 135197948 TI - On the age of the manganese beds of the Batesville region of Arkansas. AU - Williams, Henry Shaler. AU - Penrose, R.A.F. PY - 1894 PB - S.l. s.n. DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:135197948 AB - ER -