U.S. geography : the Midwest - Silver Springs, MD Discovery Communications Inc. c2004 - 1 videodisc(DVD)(26 min.) sd., col. 4 3/4 in. 1 teacher's guide - Assignment Discovery .

Title from disc surface. "Geography"--Container. At head of container title: Discovery Channel School. Executive producer, Helen Devitt Holt ; music, Paul Christianson Narrators, Mary Stephens and Ken Arnold. Grades 3-6. Formed by geologic event millions of years ago, the Midwest was once a sea of grass. Today the prairies of America's heartland provide food for millions. Includes discussion questions at the beginning and end of each segment. Contents: Understanding maps The prairie ecosystem Feeding the United States.

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Maps -- Study and teaching (Elementary)
Geography -- United States
Prairie ecology
Agriculture -- United States
DVD-Video discs.
Middle West -- History