flows SW to Goodnews River, 18 mi. NE of Goodnews, Kilbuck-Kuskokwim Mts.
HistoryProbably a prospectors' name reported in 1919 by Harrington (in Brooks, 1921, pl. 7), U.S. Geological Survey (USGS). So named because it flows over slate-like rocks in the upper part of its course.
Atamautsitlguar Mountain, Atlakumtsitak Mountain, Ikuktlitlig Mountain, Island Mountain, Kisogle Mountain, Lookout Mountain, Sugtutlig Mountain, Tatlignagpeke Mountain, Tgolik Mountain, Tigyukauivet Mountain,
Rivers:East Fork Arolik River, South Fork Arolik River,
Streams:Barnum Creek, Bear Creek, Caribou Creek, Cascade Creek, Casino Creek, Colorado Creek, Crater Creek, Fox Creek, Garnet Creek, Granite Creek, Isurik Creek, Kowkow Creek, Midas Creek, Native Creek, Olympic Creek, Slate Creek, Tivyagak Creek, Velvet Creek, Wattamuse Creek,