A study of natural wetlands associated with acid mine drainage
By: [Lloyd R. Stark]
Contributors: Pennsylvania State University. Dept. of Biology; United States. Bureau of Mines
Series: [OFR -- 32-91]; Open file report (United States. Bureau of Mines) -- 32-91
Publisher: Pennsylvania State University, Dept. of Biology
Published: 1990
Place of publication: [University Park, Pa
Language: eng
Format: Microform
Number of pages: 76
Subjects: Acid mine drainage -- Environmental aspects -- Pennsylvania; Wetlands -- Pennsylvania; Water quality -- Pennsylvania
Other titles: AML research contract report
Notes: Cover title

"December 1990."

Author from documentation page

"Bureau of Mines, United States Department of the Interior."

"Contract H0378021."

Includes bibliographical references (p. 73-76)

Microfiche. [Washington, D.C.?] : Supt. of Docs, U.S. GPO, [1990]. 1 microfiche : negative