Protecting Water Quality from Agricultural Runoff. U.S. EPA (2005)

Water Quality and Agriculture: A Landowner's Guide to Oregon's Water Quality Program. ODA. 

Hardened Stream Crossing. NRCS. (2022).

Streamside Fencing. PennState Extension.

Manure Management. OSU Extension. (2011).

Composting Program: Rules and Permits. Oregon Department of Environmental Quality.

Pasture Sacrifice Areas. Washington State University.