Includes bibliographical references (page 31) and index.
Contents:
Crystal towers -- Formed in heat and water -- Studying the caves -- Map -- Glossary -- Online resources -- Learn more -- Index -- About the author.
Summary:
"In a very deep cave in Mexico, massive crystals grow much larger than a human. Cave of Crystals looks at when and how these crystals formed and what the future looks like for these formations." -- Amazon.
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.