Sketch map of Guayama and vicinity showing location of Spanish strongholds, and route of March made by Brig. Gen. Hains on Aug 13, 1898.United States. Adjutant-General's Office. Military Information Division[1898]"D. H. Blacklock, del.""Enclosure G to accompany report of Nov. 3, 1898, W.M. Black, Lt. Col. Chief Eng. Nov."--Lower left."To accompany the report of the Major General Commanding for 1898."Relief shown by form lines.cartographic