'72 FLORIDA GEOLOGICAL SURVEY-THIRD ANNUAL REPORT.
inch well and f our twelve-inch wells running at this time. By the end of March the water had returned *practically to its normal level and has since been kept under control.
"Four of these drainage wells are located 'near the original sink and have a uniform depth of 140 feet, a cavity several feet in diameter having been reached at that depth. The fifth well is located one-half mile west of the sink, and terminates in a porous stratum at a depth of 340o feet."
Since the completion of these wells by the city a number of other drainage wells have been put down by individuals, used largely to reclaim trucking and farming lands.
One of these drainage wells near Orlando developed recently the unusual phenomenon of spouting. The well is located three miles north of Orlando on land belonging to Charles T. Myers. It was drilled in 1907 jointly by Mr. Myers and Messrs. McNeal and Davis, the latter gentlemen having the property leased for farming purposes. The well is twelve inches in diameter and has a total depth of 260 feet, and is cased 6o feet., It is located at the edge of a small lake. The level of permanent underground water at this locality is 33 feet from the surface. Trucking is carried on around the border of the lake and the well is intended, by carrying off the surplus water, to prevent the lake from rising above a given level, since to do so would flood the farming land. The well is similar in character to the other drainage wells of this locality and, as in the case of most of the other wells, terminates in a cavity in the limestone.
The well was first seen by the writer October 4, 1910. At this time the water of the lake stood a few inches above the level o f the pipe and the well was receiving water at much less than its full carrying capacity. At intervals of a few minutes the well would re.ve rse itself and spout, throwing a column of water into the air. The spouting comes on gradually. First the well ceases to receive water and begins bubbling; the column of water follows rising with considerable force to a height of twenty feet or more above the surface, the spout occurring with tolerable regularity at intervals of four minutes. Mr. R. D. Ijnis, who has charge of the farm, states, however, that the intervals between spouts vary from two to fifteen minutes, being probably influenced by varying conditions