\[4th Avenue and 13th Street: IRT East Side Line, Manhattan, NY] 4th Avenue and 13th Street, Manhattan, NY. Contract 1 construction of IRT East Side line. Camera about 10 feet west of W.H.L. of 4th Avenue. 25 feet west of S.H.L. of 13th Street. View south showing excavation. Showing cut-and-cover excavation at 4th Avenue and 13th Street. Hancock Building prominently featured.