Editing Hudson River (section)

=== Sources ===
The source of the Hudson River is [[Henderson Lake (New York)|Henderson Lake]], located in the [[Adirondack Mountains]] at an elevation of {{cvt|4322|ft|m}}.<ref name="USGS Water Quality Assessment" /><ref name="NYTimes Lake Tear of the Clouds" /> However, the photogenic [[Lake Tear of the Clouds]] is more conventionally cited in popular culture as the source of the Hudson.<ref name="Highest Source" /> The river is named [[Feldspar Brook]] from where it emerges from Lake Tear of the Clouds until its confluence with the [[Opalescent River]], after which it becomes the Opalescent until it reaches [[Calamity Brook]] flowing southward into the eastern outlet of Henderson Lake. After this point, the stream is known as the Hudson River<ref name="UAlbany Lake Tear of the Clouds" /><ref name="Adirondack Park Henderson Lake" /><ref name="Hudson River Map" /> according to the cartographical definition used by the [[United States Geological Survey]] (USGS).<ref name="GNIS" />
[[File:Hudson River outflow from Henderson Lake.jpg|left|thumb|The Hudson River flowing out of Henderson Lake in Tahawus]]
USGS maps show the longest source of the Hudson as the Opalescent on the western slopes of Little Marcy Mountain,<ref name="Map of Opalescent River and Lake Tear of the Clouds" /><ref name="Opalescent Description" /> originating two miles north of Lake Tear of the Clouds.<ref name="Opalescent Description" /><ref name="Opalescent River" />