heads N of Mount Weller, in the Sadlerochit Mts., flows N to Camden Bay, 3 mi. E of Collinson Point and 27 mi. SW of Barter I., Arctic Plain
Named by Leffingwell (1919, p. 97) for the prospector, S. J. Marsh, who spent many years in northern Alaska. In 1948 U.S. Coast and Geodetic Survey (USC&GS) reported the Eskimo name "Nuvoak (nuvuk)" meaning "point of land" or "cape."