VERY GOOD. Soft Cover oversize x-library booklets. Includes: 1) Ground-Water levels in Illinois through 1961 by R.R. Russell, Report of Investigation 45, 51 pp. 2) Drought Climatology of Illinois by F.A. Huff and S.A. Changnon, Jr., Bulletin 50, 68 pp. Both are illustrated with maps, tables and drawings. Without the library stuff: both are VERY GOOD or better. 3) Assessment Of A Regional Aquifer In Central Illinois", oversize x-library softcover by Charles B. Burris, Walter J. Morse, and Thomas G. Naymik, State of Illinois Department of Energy and Natural Resources, Cooperative Groundwater Report 6, 1971, 79 pp., illustrated with drawings, graphs and tables. Without the library stuff: VERY GOOD +.