Record Display for the EPA National Library Catalog

RECORD NUMBER: 69 OF 1156

OLS Field Name OLS Field Data
Main Title Birch Lake, Cass County, Minnesota.
CORP Author Pacific Northwest Environmental Research Lab., Corvallis, Oreg.;National Environmental Research Center, Corvallis, Oreg.;National Environmental Research Center, Las Vegas, Nev.;Minnesota Pollution Control Agency, Minneapolis.;Minnesota National Guard, Minneapolis.
Year Published 1975
Report Number Working Paper-145;
Stock Number PB-240 503
Additional Subjects Water pollution ; Birch Lake ; Surveys ; Inorganic phosphates ; Inorganic nitrates ; Bioassay ; Primary biological productivity ; Chemical properties ; Water quality ; Drainage ; Nutrients ; Sources ; Tables(Data) ; Minnesota ; Eutrophication ; Water quality data ; Cass County(Minnesota)
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
NTIS  PB-240 503 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/23/1988
Collation 19p
Abstract
Annual total phosphorus and total nitrogen loadings to the lake were estimated and subdivided according to either point or non-point source origin. An assessment of the lake's trophic condition and limiting nutrient is also provided. All data collected by the U.S.E.P.A. National Eutrophication Survey during the one year study of the lake and its tributaries are included in the report.