Siskiyou is incorrectly written, and should be written as "40 Siskiyou; is proper name )" being its meaning:
The correct term is Siskiyou. It is the name of some mountains, a forest park, a river and a county in the State of California, ( USED ). Part of the National Park of Siskiyou also belongs to the State of Oregon. Siskiyou is a Summit of 1230 m.