Geology of the Grand Canyon a guide and index to published graphic and tabular data (excluding paleontology) /Format: [microform] :
Author: Spamer, Earle E.
Publisher: Boulder, Colo. : Geological Society of America,
Date: c1990. This title can be found in 1 Iowa libraries.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.