Deep River
"Deep River, a town in
Wahkiakum County, on a river that was once called by that name." See Alamicut
River
"Alamicut River, in Wahkiakum County. The old settlers claim that the Indians
called the slough Alamicut, meaning "Deep River." On Kroll's map the name is
Deep River. On the Wilkes Expedition chart, 1841, the name is Ela-be-kail."
Origin of Washington Geographic Names 1923