Yamhill Basin Council
Oregon Association of Conservation Districts (OACD)
National Association of Conservation Districts (NACD)
Oregon Guide to Land and Water Management
Permits

Oregon Department Of Fish and Wildlife (ODF&W)
Oregon Department of Water Resources (ODWR)
Oregon Division of State Lands (DSL)
Oregon Department of Agriculture
Oregon Watershed Enhancement Board (OWEB)
U.S. Geological Survey
U. S. Fish and Wildlife Service (USF&W), Portland office
USDA Natural Resources Conservation Service (NRCS), Oregon
USDA Farm Service Agency (FSA), Oregon Office
National Marine Fisheries Service (NMFS), Northwest Regional Office, Portland

Soil Surveys
Native Plant Society of Oregon
Native Plants Journal, Idaho
OSU Extension Plant Identification Site
Pacific Northwest Weed Control Handbook
Wetland Science Institute, USDA (NRCS)
Basic elements of pond and other information, Kansas SWCD site (excellent)
Backyard Habitat, National Wildlife Federation