WASHINGTON, D.C., _April 11, 1860_.
_To the House of Representatives of the United States_:
In compliance with the resolution of the House of Representatives of
March 26, 1860, requesting me "to transmit to the House all information
in the possession of the officer in charge of the Coast Survey showing
the practicability of making Harlem River navigable for commercial
purposes, and the expenses thereof," I herewith transmit a report from
the Secretary of the Treasury containing the desired information.