I36 FLORIDA GEOLOGICAL SURVEY-NINTH ANNUAL REPORT. 
WAKULLA RIVER. 
The Wakulla River was probably originally a tributary of the 
St. Marks River, although at the present time the two streams unite 
at tidewater level. The. Wakulla River system originates in small 
surface streams which reach north-west to within one or two miles 
of the Ocklocknee River in Leon County. These tributaries flow as 
surface streams in a general south-east direction until they reach the 
Fig- I 3 -—Sketch map of the Wakulla drainage system. The headwater 
streams are surface streams, but become subterranean on reaching the lime¬ 
stone. Nearer the coast the stream reappears as a surface stream with channel 
in the limestone. 
limestone area, when they become subterranean streams entering 
the limestone through sinks. After entering the. limestone they 
may occasionally be seen, owing to the caving of the roof above 
