Trail planning and layout
By: by Byron L. Ashbaugh. Drawings by Robert F. Holmes
Series: [National Audubon Society] Information-education bulletin, no. 4; [National Audubon Society] Information-education bulletin, no. 4
Publisher: National Audubon Society, Nature Center Planning Division
Published: 1965
Place of publication: New York
Language: eng
Number of pages: 104
Copyright date: 1965
Subjects: Nature trails