Operation Grizzly Bear

by Marian Calabro

Describes the thirteen-year-study of grizzly bears done by John and Frank Craighead in Yellowstone National Park, in which their use of the radio-tracking collar and other innovations added to the... This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 0027162419
• ISBN13: 9780027162417
• Release Date: January 1989
• Publisher: Four Winds
• Length: 118 Pages
• Weight: 0.75 lbs.
• Dimensions: 0.7" x 5.7" x 8.6"
• Age Range: 9 to 12 years
• Grade Range: Grades 4 to 7