Iowa's geological past [electronic resource] : three billion years of earth history / Wayne I. Anderson.
Series: Bur oak originalPublication details: Iowa City : University of Iowa Press, c1998.Description: xii, 424 p. : ill., mapsISBN:- 0877456399 (cloth : acid-free paper)
- 0877456402 (pbk. : acid-free paper)
- 9780877456407
- 557.77 21
- QE111 .A582 1998eb

Includes bibliographical references (p. [385]-414) and index.
Electronic reproduction. Palo Alto, Calif. : ebrary, 2011. Available via World Wide Web. Access may be limited to ebrary affiliated libraries.