Record Display for the EPA National Library Catalog

RECORD NUMBER: 429 OF 448

Main Title Wallmark (Mud) Lake, Chisago 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-146;
Stock Number PB-240 502
Additional Subjects Water pollution ; Wallmark Lake ; Mud Lake ; Surveys ; Inorganic phosphates ; Inorganic nitrates ; Bioassay ; Primary biological productivity ; Chemical properties ; Water quality ; Drainage ; Nutrients ; Sources ; Tables(Data) ; Minnesota ; Eutrophication ; Water quality data ; Chisago County(Minnesota)
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
NTIS  PB-240 502 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 18p
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.