Central Oregon & Pacific switches out the Union Pacific interchange at Black Butte.

The Siskiyou Line's grade through Weed, California is 3+%. On a spring afternoon, CORP's Weed Switcher totes the interchange traffic for UP up the hill.

A southbound CORP train begins the climb out of the Shasta Valley on the 3% grade to Black Butte.

CORP switches out the interchange with UP's Shasta Route at Black Butte.

Central Oregon & Pacific's Weed Switcher returns from the UP interchange at Black Butte on CORP's Siskiyou Line.