Notes of a Military Reconnoissance

Sir: In compliance with a resolution of-'the S'enat'e of'the 19th 'instant, requiring the Secretary of War to communicate to the 'senate a copy of notes of a military reconnoissance of the route from Fort Leavenworth, in Missouri, to San Diego, in California, by Lieutenant William H. Emory, of the topographical engineers, with a map of the said route and of the Arkansas, Del Norte, and Gila rivers...