Title: Impacts of outdoor recreation on the environment
First published: 1977
Subjects: Bibliography, Environmental aspects, Environmental aspects of Outdoor recreation, Outdoor recreation, Loisirs de plein air, Bibliographie, Homme, Influence sur la nature, Environmental impact
LC classification: Z5942 .C68 no. 1363, Z7514.O8 .C68 no. 1363, GV191.6 .C68 no. 1363