Contents: 1. Report on the San Carlos Dam and the Gila River Irrigation Project under the Florence-Casa Grande Canal, by J. H. Quinton -- 2. Report of M. O. Leighton, Chief Hydrographer, U.S.G.S. criticizing plans of J. H. Quinton -- 3. Second report on San Carlos Project made for Mr. Charles R. Sligh, by J. H. Quinton -- 4. Remarks upon report of M. O. Leighton, Chief Hydrographer, of the U.S.G.S. on the San Carlos Reservoir site, dated February 8th, 1910, by J. H. Quinton - - 5. Reply to criticisms condemning the projected San Carlos Dam and Reservoir contained in the report of M. O. Leighton made at the request of Charles R. Sligh, Grand Rapids, Michigan, by James D. Schuyler and Henry Hawgood -- 6. Letter to C. R. Sligh, by J. D. Schuyler, September 8th , 1910 -- 7. Jamison, J. M. vs. the Arizona Eastern Railroad Company, before the Department of the Interior, General Land Office, Office of Indian Affairs -- 8. Memorandum on behalf of the Reservoir Project, from the Arizona Blade-Tribune, November 5, 1910.