Reconstructing critically eroded sections of El Portal Road
Subtitle: environmental assessment
By: Yosemite National Park, National Park Service, U.S. Department of the Interior.
Contributors: United States. National Park Service.; Yosemite National Park (Agency : U.S.)
Publisher: U.S. Dept. of Interior, National Park Service, Yosemite National Park
Published: 2007
Place of publication: Yosemite, Calif
Language: eng
Subjects: Roads -- Environmental aspects -- California -- Yosemite National Park.; Roads -- Maintenance and repair -- California -- Yosemite National Park.; Environmental impact analysis -- California -- Yosemite National Park.; Yosemite National Park (Calif.) -- Environmental conditions.
Notes: "June 2007".

Title from cover.

Includes bibliographical references (p. 8-1 to 8-4).

Also available on the Internet.