. The Canadian field-naturalist. 136 The Canadian Field-Naturalist Vol. 86. Figure 3. A collapsed sinkhole at the Nyarling War- den Station (Angus Tower) located northwest of the Nyarling River off the northwest corner of Figure 1. No fish were found in the water (see Table 3 for water analysis). ing area) and fish are noted from these by Allen (1956). Two main rivers cut across the study area within the plateau. Salt River originates near Pine Lake at McNeil Lake and empties into the Slave. It is exceptionally high in total dis- solved solids (except in the extreme head- waters), with the maj
. The Canadian field-naturalist. 136 The Canadian Field-Naturalist Vol. 86. Figure 3. A collapsed sinkhole at the Nyarling War- den Station (Angus Tower) located northwest of the Nyarling River off the northwest corner of Figure 1. No fish were found in the water (see Table 3 for water analysis). ing area) and fish are noted from these by Allen (1956). Two main rivers cut across the study area within the plateau. Salt River originates near Pine Lake at McNeil Lake and empties into the Slave. It is exceptionally high in total dis- solved solids (except in the extreme head- waters), with the major ions being sodium and chloride (Tables 2 and 3). Some of its tribu- taries are springs which according to the data of Dr. R. Green may range as high as 314,070 ppm in total dissolved solids (with Na"^ at 118,438 ppm and CI" at 189,000), about 9 times that of sea water. The Little Buffalo River (Figure 6) drains directly into Great Slave Lake, southwest of Fort Resolution. Its tributaries include the Klewi and Sass (and its tributary, the Preble). Unlike the Salt, these streams are not exceptionally high in total dis- solved solids and the major ions are calcium and sulphates, typical of many streams else- where. Campbell Falls on the Littie Buffalo (Figure 7), north of the highway along the escarpment, presents an obvious barrier to up- stream movement. Several streams in the north- ern Wood Buffalo National Park region are subterranean for part of their course. For ex- ample, the Nyarling for about 9 miles (14 km) flows underground in a valley sink, with a large dry river bed on the surface for most of this Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club
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