regrading in Seattle
...that early-20th-century regrading in Seattle was probably the largest alteration of urban terrain up to that time?
...that early-20th-century <b id="mwDhg"><a href="./Regrading_in_Seattle" id="mwDhk" rel="mw:WikiLink" title="Regrading in Seattle">regrading in Seattle</a></b> <i id="mwDho">(pictured)</i> was probably the largest <a class="mw-redirect" href="./Regrading" id="mwDhs" rel="mw:WikiLink" title="Regrading">alteration</a> of <a href="./Urban_area" id="mwDhw" rel="mw:WikiLink" title="Urban area">urban</a> <a href="./Terrain" id="mwDh0" rel="mw:WikiLink" title="Terrain">terrain</a> up to that time?