American Indian contributions to the world.dollar5Science and technology /
[Book]
Emory Dean Keoke, Kay Marie Porterfield.
New York :
Facts on File,
c2005.
ix, 150 p. :
ill., maps ;
25 cm.
Includes bibliographical references and index.
Tools and inventions -- Sound and light -- Mining for metals and metalworking -- Petroleum and rubber -- Chemistry -- Math, solid geometry, and astronomy -- Engineering -- Writing -- Ecology -- Glossary of ancient cultures -- For further reading.