Category:(Maps of the Washington Aqueduct, Md. and Washington D.C.) - to accompany supplemental report of Chief Engineer dated Feb. 22nd 1864

Media in category "(Maps of the Washington Aqueduct, Md. and Washington D.C.) - to accompany supplemental report of Chief Engineer dated Feb. 22nd 1864"

The following 8 files are in this category, out of 8 total.