Keywords: Park ranger Harry Yount.jpg Harry Yount 1839 “1924 the first park ranger of Yellowstone National Park <ref name Life-1880 > Life magazine Life magazine 1880 2010-12-15 </ref> http //www life com/image/50594324 William Henry Holmes 1846 “1933 <ref name NPSU-1994 > William Henry Holmes while both were employed on the Ferdinand Vandiveer Hayden geological survey in 1873 Yount as guide and Holmes as illustrator William Henry Jackson was the official photographer but apparently Holmes also dabbled in this medium NPSHPC “ William Henry Holmes photo HFC/91 “16 </ref> 1873<ref name NPSU-1994 /> PD-USGov-Interior PD-old http //www nps gov/history/history/hisnps/npshistory/yount htm<br/>http //www nps gov/history/history/online_books/sontag/yount htm References reflist Harry Yount Black and white photographic portraits of men National Park Service Rangers |