Keywords: Fairmount Dam accross from Boathouses.jpg Boathouse Row in Philadelphia in the USA date Generally declassified KH-11 data date from the period up the 1980s NRO KH-11 monochrome NRO/USGS usgov-PD other versions https //en wikipedia org/wiki/File Wfm_philly_boathouse_row jpg PD-USGov PD-WorldWind Original upload log page en wikipedia Fairmount+Dam+accross+from+Boathouses jpg wikitable - 2013-11-14 01 14 32 830× 521× Ciricula Boathouse Row in Philadelphia in the USA NRO KH-11 monochrome Unknown Generally declassified KH-11 data date from the period up the 1980s NRO/USGS usgov - Uncategorized 2016 July 21 |