WASHINGTON, _March 20, 1856_.
_To the Senate of the United States_:
In compliance with a resolution of the Senate of the 26th ultimo,
I herewith communicate "a copy of the report, with the maps, of an
exploration of the Big Witchitaw and the head waters of the Brazos
rivers, made by Captain R.B. Marcy, of the United States Army, while
engaged in locating lands for the Indians of Texas in the year 1854."