Acid rain
Contributors: Geological Survey (U.S.)
Series: Water fact sheet; Open-file report -- 87-399; U.S. Geological Survey open-file report -- 87-399
Publisher: U.S. Geological Survey, Dept. of the Interior
Published: 1987
Place of publication: [Reston, Va.]
Language: eng
Subjects: Acid rain
Notes: Caption title

"October 1987"--P. [2]