Title: Preliminary investigations and surveys for increasing the water supply of the District of Columbia
Subtitle: letter from the secretary of war transmitting with letter from the chief of engineers, report on preliminary investigations and surveys for increasing the water supply of the District of Columbia, as called for by the act of Congress approved May 26, 1908, making appropriations for the District of Columbia for the fiscal year ending June 30, 1909 ...
Subjects: Water-supply
Places: Washington (D.C.)