The concrete wall rests on rock. Fine sand covers the bottom of the enclosure. The head pool is deepest at the spring boil where turbulence from the discharging spring causes continuous disturbance of the sand bottom. 3.8 ft below the top of the enclosure. Water depth within most of the en- closure was 1 to 1.5 ft except adjacent to the spring orifices where the depth was 5 ft.
Water leaves the enclosure from two outlets.
The other as a partly submerged 6-in. The sand bottom of the swimming enclosure was overgrown with low vegetation and covered by about a foot of water. Looking towards the head of Wadesboro Spring. Spring is inside small rectangular concrete enclosure in background and abandoned wooded swimming enclosure in foreground. Analyses by U.S. Geological Survey.