– Plaque marking location. Church on site. Pittsburgh Forbes Field (mid 1909–mid 1970) – Parts of outfield walls and the flagpole exist at the original site; another part of the outfield wall now stands at the Pirates' current home of PNC Park; and home plate is preserved under lucite in Posvar Hall, a University of Pittsburgh academic building standing on most of the stadium site. (According to a story that circulated in later years, the original location of home plate was in a women's restroom at Posvar Hall, and the preserved home plate was moved so that all visitors could view it. Later research has debunked this story, but did confirm that the preserved home plate had been moved from its original location.) St. Louis Sportsman's Park (1909–early 1966) – Ballfield as part of Herbert Hoover Boys' Club on site. Washington Griffith Stadium (1911–1961) – Plaque. Howard University hospital on site. ^Unless otherwise noted, first and last years listed include entire baseball season in that year. Night baseball – lights added Jewel Box Parks were used during the era that saw the Major Leagues begin playing games at night. Below is a list of when each park had lights installed. The Cleveland Indians also played home games at Cleveland Stadium starting in 1932. They played their first night game at Cleveland Stadium in 1939. References Sources Green Cathedrals, by Phil Lowry Ballparks of North America, by Michael Benson Lost Ballparks, by Lawrence Ritter There are also various internet sites that contain photos of the remnants