共 2 条
- [1] ISOTOPIC STUDIES OF THE NATURAL SOURCES OF RADIUM IN GROUNDWATER IN ILLINOIS. Research Report - University of Illinois at Urbana-Champaign, Water Resources Center, 1984,
- [2] HYDROGEOLOGIC EVALUATION OF SAND AND GRAVEL AQUIFERS FOR MUNICIPAL GROUNDWATER SUPPLIES IN EAST-CENTRAL ILLINOIS. Cooperative Groundwater Report (Illinois State Water Survey; Illinois State Geological Survey), 1982,