Oxbow Inlet
... that although only 1.5 miles (2.4 km) long, Oxbow Inlet's silica, iron, magnesium, calcium, and sulfate concentrations were measured in 1966?
... that although only <span about="#mwt53" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"1.5"},"2":{"wt":"mi"},"3":{"wt":"km"}},"i":0}}]}' id="mwBAY" typeof="mw:Transclusion">1.5 miles (2.4</span><span about="#mwt53" typeof="mw:Entity"> </span><span about="#mwt53">km)</span> long, <b id="mwBAc"><a href="./Oxbow_Inlet" id="mwBAg" rel="mw:WikiLink" title="Oxbow Inlet">Oxbow Inlet</a></b><span about="#mwt54" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"`s","href":"./Template:`s"},"params":{},"i":0}}]}' id="mwBAk" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span>s</span> silica, iron, magnesium, calcium, and sulfate concentrations were measured in 1966?