Environmental assessment, modify wastewater treatment plant, South Rim
Subtitle: Grand Canyon National Park, Arizona.
Contributors: United States. National Park Service. Denver Service Center.
Publisher: U.S. Dept. of the Interior, National Park Service, Denver Service Center
Published: 1985
Place of publication: [Denver, Colo.]
Language: eng
Number of pages: 30
Subjects: Sewage disposal plants -- Arizona -- Grand Canyon National Park.; Grand Canyon National Park (Ariz.)
Other titles: Grand Canyon National Park.; Modify wastewater treatment plant, South Rim.
Notes: Distributed to depository libraries in microfiche.

"September 1985."

"NPS D-92"--P. 30.

Bibliography: p. 29.