Potomac River at Alexandria, Virginia : surveyed in compliance with the requirements of the River and Harbor Act of March 2, 1907, November 1907 and March 1908

Depths shown by contours and soundings.
"House Doc. 1253; 60th Cong., 2d Sess."
Oriented with north toward the lower left.
Available also through the Library of Congress Web site as a raster image.
DCP
2 copies. Copy 2 is negative photocopy.