The mountain and the migration
Subtitle: a guide to Hawk Mountain
By: James J. Brett ; illustrations by Frank Fretz ; raptor identification plates by Frederick William Wetzel ; photographs by William R. Fink, Jr., and Joseph Snook.
Edition: Rev. and expanded ed.
Publisher: Cornell University Press
Published: 1991
Place of publication: Ithaca
Language: eng
Number of pages: 112
Subjects: Birds of prey -- Pennsylvania -- Hawk Mountain Sanctuary.; Bird watching -- Pennsylvania -- Hawk Mountain Sanctuary -- Guidebooks.; Hawk Mountain Sanctuary (Pa.) -- Guidebooks.
Notes: Includes bibliographical references (p. 112) and index.
Contains ill. and col. map on 2 folded pages inserted at end.