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A few feet of surface clay, followed by limestone boulders Limestone with silicified layers containing shells - Traversed by subterranean streams Blue marl (clay?) Shell rock, sand rock, and marl (clay); water rose to within 14 feet of surface Sand tinted blue; layer of very fine white sand at 370 feet, below which was some coarse sand with shell fragments and sharks' teeth Blue clay and sand rock in alternate layers Blue clay with soft sand rock to flowing water Sand and clay, forming water-bearing stratum Hard rock |
Thickness Feet 65 85 15 95 120 30 80 40 17 |
Depth Feet 65 150 165 260 380 410 490 530 547 |