From the mountains to the sea
Subtitle: the state of Maryland's freshwater streams
By: Daniel Boward ... [et al.]
Contributors: Boward, Daniel; National Health and Environmental Effects Research Laboratory (U.S.). Atlantic Ecology Division; United States. Environmental Protection Agency. Region III. Environmental Services Division
Publisher: U.S. Environmental Protection Agency, Office of Research and Development
Published: 1999
Place of publication: Washington, DC
Language: eng
Number of pages: 54
Subjects: Stream ecology -- Maryland; Water quality -- Maryland