Kellogg Creek (Indian Slough tributary)

Kellogg Creek is a tributary of Indian Slough, in Contra Costa County, California. Indian Slough itself is a tributary of the Old River, an old channel of the San Joaquin River.[1] Kellogg Creek was formerly named Arroyo Santa Ángela de Fulgino by Pedro Font, on April 4, 1776, as the expedition of Juan Bautista de Anza passed through the area.[2]: 1  In the 19th century it was known to the Californios as Arroyo del Sur.[2]: 399 

The mouth of Kellogg Creek lies at an elevation of 7 feet (2.1 meters) at its confluence with Indian Slough in Contra Costa County. Its source is located at 37°47′23″N 121°42′51″W / 37.78972°N 121.71417°W / 37.78972; -121.71417 at the head of a canyon in the hills north of Brushy Peak, in the Diablo Range in Alameda County, California. It arises at an elevation of 1,162 feet (354 meters).[3]

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37°54′25″N 121°36′34″W / 37.90694°N 121.60944°W / 37.90694; -121.60944