Oregon
Benton County
Coffin Butte
Valley Landfill Pit
Clackamas Co.
Oak Grove Fork
Nisbet
Columbia Co.
Goble
Jaquish Road Cut
Neer Road Pit
Douglas County
Drain
Bear Creek Quarry
Grant Co.
Ritter
Three Mile Creek
Jefferson County
Madras
Richardson Ranch
Klamath County
Summit Rock
Lake County
Glass Buttes
Aurora Sheen Pit
Purple Sheen Pit
Lakeview
Lucky Lass Mine
White King Mine
Lane Co.
N Side of Lookout Pt. Reservoir
L & L Barite Claim
Springfield
Lincoln Co.
Agate Beach
Yaquina Head Quarry
Linn County
Albany
Bryant Park
Malheur County
Lake Owyhee State Park
Owyhee Dam
Polk County
Mill Creek
Mill Creek Quarry
Tillamook Co.
Crystal Creek
Oceanside
Tunnel Beach
Wheeler Co.
Spray
Burnt Cabin Creek
Twickenham