Development of Great Falls for water power and increase of water supply for the District of Columbia - detaljert visning

Development of Great Falls for water power and increase of water supply for the District of Columbia : a report on the cost and economic value ... together with the report of M.C. Tyler on the same subject

Bok Engelsk 1921


Utgitt	Washington : G.P.O. , 1921
Omfang	2 bl., 179 s., 35 pl. : ill.
Emner	Water resources development - Planning Maps - Great Falls of the Potomac Region (Md. and Va.) Water resources development - Planning Maps - Potomac River Watershed Water resources development - Planning Maps - Washington Region Water-supply - Planning Maps - Great Falls of the Potomac Region (Md. and Va.) Vis mer... Water-supply - Planning Maps - Potomac River Watershed Water-supply - Planning Maps - Washington Region