Horizontal Distance (miles) -------------- Time (seconds) -------------- Depth (feet)

--------------------- 0 ------------------------------------------------------ 3 ------------------------------- 7,500

-------------------- 10 ---------------------------------------------------- 4.0 --------------------------- 10,000

-------------------- 20 ---------------------------------------------------- 4.2 --------------------------- 10,500

-------------------- 30 ---------------------------------------------------- 4.3 --------------------------- 10,750

-------------------- 40 ---------------------------------------------------- 4.5 --------------------------- 11,250

-------------------- 50 ---------------------------------------------------- 4.2 --------------------------- 10,500

-------------------- 60 ---------------------------------------------------- 4.0 ----------------------------- 7,500

-------------------- 70 ---------------------------------------------------- 3.6 ----------------------------- 9,000

-------------------- 80 ---------------------------------------------------- 3.8 ----------------------------- 9,500

-------------------- 90 ---------------------------------------------------- 4.0 --------------------------- 10,000

------------------- 100 --------------------------------------------------- 3.6 ----------------------------- 9,000