Yellowstone National Park author NRBIB_YELL animal studies wolf (Canis lupus) reintroduction (Canis lupus) Not In File exported from refbase (http://refbase.wsulibs.wsu.edu/yellowstone/show.php?record=13590), last updated on Thu, 27 Aug 2009 19:46:55 -0700 text http://www.nps.gov/yell/naturescience/wolfrest.htm http://www.nps.gov/yell/naturescience/wolfrest.htm YellowstoneNationalPark 11745 Unsupported: Electronic Citation