Report 156 R. K. Gabrysch and Gene D. McAdoo, United States Geological Survey, August 1972

• Report 156 - Development of Ground-Water Resources in the Orange County Area, Texas and Louisiana, 1963-71
• Figure 2 - Approximate Altitude of the Base of the Chicot Aquifer
• Figure 3 - Approximate Altitude of Water Levels in Wells Screened in the Lower Unit of the Chicot Aquifer, 1962-63
• Figure 4 - Approximate Altitude of Water Levels in Wells Screened in the Lower Unit of the Chicot Aquifer, 1971
• Figure 5 - Decline of Water Levels in Wells Screened in the Lower Unit of the Chicot Aquifer, 1962-63 to 1971
• Figure 7 - Locations of Bench Marks Surveyed in 1969 in Orange County
• Figure 9 - Concentrations of Chloride in Water From Wells in Southeastern Orange County in 1963, 1965, 1967, and 1970
• Figure 10 - Locations of Selected Wells in the Orange County Area