Lechner, Judith
On the trail with Lewis and Clark : learning to use line graphs Judith Lechner - New York : Rosen Pub. Group, 2004. - 16 p. : ill. (some col.), col. maps ; 22 cm. - Math for the real world .
Includes index.
9780823988532
Graphic methods -- Study and teaching (Elementary).
Mathematics -- Study and teaching (Elementary)
510 LEC
On the trail with Lewis and Clark : learning to use line graphs Judith Lechner - New York : Rosen Pub. Group, 2004. - 16 p. : ill. (some col.), col. maps ; 22 cm. - Math for the real world .
Includes index.
9780823988532
Graphic methods -- Study and teaching (Elementary).
Mathematics -- Study and teaching (Elementary)
510 LEC