Cover image for Operation grizzly bear
Title:
Operation grizzly bear
Author:
Calabro, Marian.
Personal Author:
Edition:
First edition.
Publication Information:
New York : Four Winds Press, [1989]

©1989
Physical Description:
118 pages : illustrations ; 22 cm
Summary:
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.
General Note:
Includes index.
Language:
English
Geographic Term:
ISBN:
9780027162417
Format :
Book