Keywords: Sigma Chi 523 W113 jeh.jpg en Looking north across 113 St at Sigma Chi for Columbia on a partly cloudy afternoon 2011-05-21 own Jim henderson 40 48 19 5 N 73 57 48 8 W source exif_heading NNE cc-zero Uploaded with UploadWizard Sigma Chi buildings Columbia University fraternity and sorority buildings |