Tracking the Long-Term Decline and Recovery of an Isolated Population Westemeier, Ronald L. ; Brawn, Jeffrey D. ; Simpson, Scott A. ; Esker, Terry L. ; Jansen, Roger W. ; Walk, Jeffery W. ; Kershner, Eric L. ; Bouzat, Juan L. ; Paige, Ken N. Abstract Publication: Science Pub Date: November 1998 DOI: 10.1126/science.282.5394.1695 Bibcode: 1998Sci...282.1695W