Potomac River and Tributaries including Occoquan Creek. Letter from the Secretary of War, transmitting pursuant to section 1 of the river and harbour act, approved January 21, 1927 . submitting a report together with accompanying papers . containing a general plan for the improvement of the Potomac River and Tributaries . for the purposes of navigation and efficient development of its water-power, the control of floods, and the needs of irrigation.
Potomac River.-
From Antiquariat MEINDL & SULZMANN OG, Wien - Vienna, Austria
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