Trail planning and layout.
By: Drawings by Robert F. Holmes.
Series: National Audubon Society.  Nature Centers Division.  Information-education bulletin no. 4; Information-education bulletin -- no. 4.
Publisher: National Audubon Society. Nature Centers Division
Published: 1965
Place of publication: N.Y
Language: eng
Number of pages: 104
Subjects: Trails.; Nature study.
Notes: Bibliography.