An evaluation of the effects of acid rain on low conductivity headwater streams in Pennsylvania
By: by John R. Ritter and Ann E. Brown
Contributors: Brown, Ann E; Geological Survey (U.S.)
Series: Open-file report -- 81-1025; Open-file report (Geological Survey (U.S.)) -- 81-1025
Publisher: U.S. Geological Survey
Published: 1981
Place of publication: [Harrisburg, Pa.?]
Language: eng
Format: Microform
Subjects: Acid rain -- Environmental aspects -- Pennsylvania
Notes: "September 1981."

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1981?]. 1 microfiche ; 11 x 15 cm

Bibliography: p. 29