Figure 6. Limerock mining near Crystal River, Florida.
normally coincides with the wet and dry seasons. The anomalous timing of the flow of Crystal River is probably caused by seasonal tides. The hlughest seasonal tides occur during wet seasons, and impose a backwater condition which decreases the river's flow; lowest tides occur during dry seasons and allow water to flow out of storage, increasing the river s flow. The minimum and maximum net daily flow to the ocean at the gaging station on Crystal River occurred during Hurricane Dor.a, September, 1964. On September 10, the hurricane passed and wind tides carried sea water upstream, at an average rate for the day of 1,520 cfs. The maximum daily flow occurred the following day as the tides subsided and the wind-blown water flowed seaward at 4,340 cfs.
The flow of Homosassa Springs has been measured periodically since 1922. From 1932 through 1966 the flow averaged 129 mgd on the basis of 25 discharge measurements. The maximum measured flow occurred August 4, 1965, during median hydrologic conditions. The minimum measured flow. 81 mgd, occurred April 3, 1946 during a severe drought. The measured flows include the discharge of springs in the Southeast Fork of Homosassa Springs. The average flow of Homosassa River from January 1964 to June 1966 was about 250 mgd.
The flow of Weekiwachee Springs has been measured periodically since 1917. fhe average flow is 112 mgd, on the basis of 300 measurements from 1917 to 1966. Th6 maximum measured flow occurred October 19, 1964, during median