Summary of state biological assessment programs for streams and rivers
著者
書誌事項
Summary of state biological assessment programs for streams and rivers
United State, Environmental Protection Agency, Office of Policy, Planning, and Evaluation, [1996]
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注記
Cover title
"February 1996" -- Cover
"EPA 230 R-96-007" -- Cover
"The primary authors ... Blaine D. Snyder ... [et al.]" -- P.[2] of cover
"Completed under U.S. EPA Contract No. 68-C3-0303 to Tetra Tech, Inc." -- P.[2] of cover