Where to buy barnyard manure near Portland OR?

* Lane County Landfill & Transfer Station: 201 E. Airport Rd, Eugene, OR 97402.

* The Compost Barn: 8103 N. Lombard St., Portland, OR 97217.

* Organics By Gosh (OBG): 20465 SW Grahams Ferry Rd, Wilsonville, OR 97070.

* Portland Metro Compost Exchange: 110 SE Marion St., Portland, OR 97214.

* Sunset Farm & Supply: 15151 NE Sandy Blvd, Portland, OR 97230.

* Washington County Recycling & Disposal Facility: 21825 NW Old Cornelius Pass Rd., Hillsboro, OR 97124.