River cutters
Subtitle: teacher's guide
By: Jefferey Kaufmann, Robert C. Knott, Lincoln Bergman.
Contributors: Knott, Robert C.; Bergman, Lincoln.; GEMS (Project)
Series: Gems guides; GEMS guides
Publisher: Laurence Hall of Science, University of California
Published: 1992
Place of publication: Berkeley, Calif
Language: eng
Number of pages: 69
Subjects: Rivers -- Study and teaching; River channels -- Study and teaching; Science -- Problems, exercises, etc
Genres: Problems, exercises, etc.
Other titles: Self-Sustaining Programs Collection
Notes: "Grades 6-9".

"Reprinted with revisions, 1992"--T.p. verso.

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