Operation grizzly bear
By: Marian Calabro.
Edition: 1st ed.
Publisher: Four Winds Press
Published: 1989
Place of publication: New York
Language: eng
Number of pages: 118
Subjects: Craighead, John Johnson, 1916- -- Juvenile literature.; Craighead, Frank C. 1916- -- Juvenile literature.; Craighead, John Johnson, 1916-; Craighead, Frank C. 1916-; Grizzly bear -- Yellowstone National Park -- Juvenile literature.; Mammals -- Yellowstone National Park -- Juvenile literature.; Zoologists -- Yellowstone National Park -- Biography -- Juvenile literature.; Grizzly bear.; Bears.; Yellowstone National Park -- Juvenile literature.; Yellowstone National Park.
Genres: Juvenile literature.; Biography
Description: 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.
Notes: Bibliography: p. 107-110.
Includes index.