Keywords: Snowden Hall 1989.gif Snowden Hall ” former plantation house on the Patuxent Wildlife Research Refuge in the Patuxent Research Refuge Located in the Laurel-Bowie area Prince George's County Maryland December 1989 http //www pwrc usgs gov/history/snowden htm Around December 1989<br/> Patuxent Wildlife Research Center PD-USGov original upload log page en wikipedia Snowden_Hall_1989 gif 2008-10-31 19 37 Pubdog 300×208× 39873 bytes <nowiki> Snowden Hall December 1989 http //www pwrc usgs gov/history/snowden htm Oct 31 2008 Patuxent Wildlife Research Center </nowiki> Snowden Hall Maryland Winter in Maryland 1989 in Maryland |