Description
Kasilof River is located heads at Tustumena Lake, flows NW to Cook Inlet at Kasilov, 12 mi. S of Kenai, Cook Inlet Low.
History
This is a Russian surname reported by the scientist I. G. Wosnesenski in 1840; published by Captain Tebenkov (1852, map 5) as "R(eka) Kasilova," that is, "Kasilov River."