ISBN 9780873552721 books & textbook
Adventures in Paleontology: 36 Classroom Fossil Activities
Hansen, Thor A. Slesnick, Irwin L. Miller, D. W.
Natl Science Teachers Assn /2006-06-30 Paperback / 129 Pages
isbn-10: 0873552725 / isbn-13: 9780873552721
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