Visitor impacts on national parks
Subtitle: the Yosemite ecological impact study
By: edited by Theodore C. Foin, jr
Series: Institute of Ecology publication -- no. 10
Publisher: Institute of Ecology, University of California, Davis
Published: 1977
Place of publication: Davis, Calif
Language: eng
Number of pages: 99
Subjects: National parks and reserves; Recreational use; Environmental aspects
Notes: Includes bibliographies.