Wetlands in the national parks.
Contributors: United States. National Park Service.
Publisher: U.S. Dept. of the Interior, National Park Service
Published: 1992
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: United States. -- National Park Service -- Management.; Wetland conservation -- United States.; Wetlands -- United States -- Recreational use.
Notes: Shipping list no.: 92-0416-P.