000 01501cam  2200325za 4500
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008171103s1997    oncab||fo    f000 0 eng d
040 |aCaOODSP|beng
043 |an-cn-on
0861 |aEn13-5/97-117E-PDF
24504|aThe effect of past land use on groundwater nutrient concentrations, Point Pelee National Park, Ontario, Canada |h[electronic resource] / |cD.L. Thompson, ... [et al.].
260 |aBurlington, Ont. : |bEnvironment Canada, Water Science and Technology Directorate, |c[1997].
300 |a[14] p. : |bill., map
4901 |aNWRI contribution ; |v97-117
500 |aCaption title.
500 |aDigitized edition from print [produced by Environment and Climate Change Canada].
504 |aIncludes bibliographical references.
5200 |a"This paper summarizes the results of the investigation into the history of the Blue Heron/Marsh Boardwalk site and identifies possible reasons for the distribution of PO4 and NH3 within the groundwater system"--Introd.
69207|2gccst|aWaste water
69207|2gccst|aHydrogeology
7001 |aThompson, D. L.
7101 |aCanada. |bEnvironment Canada.
7102 |aNational Water Research Institute (Canada)
830#0|aNWRI contribution ;|vno. 97-117|w(CaOODSP)9.844121
85640|qPDF|s1.13 MB|uhttps://publications.gc.ca/collections/collection_2017/eccc/En13-5-97-117-eng.pdf