W. L. Naftel

• Records of wells, drillers' logs, water-level measurements, and chemical analyses of ground water in Brazoria, Fort Bend, and Waller Counties, Texas, 1966-74
• Records of wells, drillers' logs, water-level measurements, and chemical analyses of ground water in Chambers, Liberty, and Montgomery Counties, Texas, 1966-74
• Records of wells, drillers' logs, water-level measurements, and chemical analysis of ground water in Harris and Galveston Counties, Texas, 1970-74