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 scope of human knowledge about the grizzly.
- ISBN10 0027162419
- ISBN13 9780027162417
- Publish Date 1 January 1989
- Publish Status Active
- Publish Country GB
- Publisher Prentice Hall (a Pearson Education company)
- Imprint Prentice Hall & IBD
- Format Hardcover
- Pages 118
- Language English