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2011
Tippery, Sharon E., and Kim K. Jones. Amphibian Distribution in Wadeable Streams and Ponds in Western and Southeast Oregon, 2009-2010 In Progress reports / Fish Division, Oregon Dept. of Fish and Wildlife. Corvallis, Or.: Oregon Dept. of Fish and Wildlife, 2011.
→ www.dfw.state.or.us//conservationstrategy/docs/2011_Amphibian_Progress_Report.pdf