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Piezometric Surface of Florida, 1951
This map from the Florida Geological Survey Bulletin number 33, shows the piezometric surface of Florida's artesian water system. The contour lines represent approximately the height, in feet, to which water will rise with reference to mean sea level...

Florida Lakes and Rivers, 1954
Map of Florida showning major lakes and rivers. N.O.A.A. map reference: 9-11-1954. PLEASE NOTE: This historical data is not to be used for navigation or navigation planning. The Florida Center for Instructional Technology (FCIT) does not assume respo...

Florida, 1957
A portion of the aeronautical map of the United States, used by pilots to navigate between airports circa 1957, showing the state of Florida. The map scale is 1:5,000,000. N.O.A.A. map reference: AP9-10-1957.

Monthly Variation of Streamflow, 1957 to 1987
This map from the U. S. Geological Survey Water Resources Investigation Report number 93-4165, Low-Flow Characteristics of Florida Streams, shows monthly variation of streamflow at seven gaging stations in percentage of average annual flow between 19...

Geologic Map of Florida, 1964
This is a geologic map Florida, current to 1964. The different color and pattern codes represent the formation in that particular area. For example, the area that is all orange (mostly found in the Florida Keys) is the Key Largo Limestone from the Pl...

Drainage Basins in Florida, 1967
This is a map showing the drainage basins in Florida, current to 1967. The different areas are color coded with green being I. A. C. W. R. or Inter-Agency Committee on Water Resources Map 9, yellow I. A. C. W. R. Map 10, blue I. A. C. W. R. Map 11 ...

Ground-Water Features in Escambia and Santa Rosa Counties, Florida- Figure 1, 1967
This is a map showing the piezometric contours for the state of Florida, current to 1967. "The lines on the piezometric surface represent the height, in feet above sea level, to which water will rise in wells tightly cased into the limestones of...

Seasonal Variation of Streamflow, 1969
This is a map showing the seasonal variation of streamflow in Florida, current to 1969. The following is taken from the article "Seasonal Variation of Streamflow in Florida" by W. E. Kenner — "Florida's variation of streamflow is...

Top of the Floridian Artesian Aquifer, 1973
This is a map of Florida showing the top of the Floridian Artesian Aquifer, current to 1973. The following is taken from the article "Top of the Floridian Artesian Aquifer" by Robert O. Vernon — "This map depicts the approximate ...

Observation Well Network, 1974
This is a map of Florida showing the observation well network of the U. S. Geological Survey, current to 1975. The following is taken from the article "The Observation-Well Network of the U. S. Geological Survey in Florida" by Henry G. Heal...

Low Streamflow in Florida- Magnitude and Frequency, 1974
This is a map showing the low streamflow in Florida with magnitude and frequency, current to 1974. The following is taken from the article "Low Streamflow in Florida- Magnitude and Frequency" by Roy B. Stone — "Streamflow in Flor...

Surface Water Features, 1974
This is a map showing the surface water features in Florida, current to 1974. The following is taken from the article "Surface Water Features of Florida" by L. J. Snell and W. E. Kenner — "The variety of surface water features of...

Water-Level Fluctuations of Lakes, 1974
This is a map showing the water-level fluctuations of lakes in Florida, current to 1974. The following is taken from the article "Water-Level Fluctuations of Lakes in Florida" by G. H. Hughes — "The freshwater lakes of Florida ar...

Non-Carbonate Hardness of Water from Floridian Aquifer, 1975
This is a map of the non-carbonate hardness of water from the upper part of the Floridian aquifer in Florida, current to 1975. Please see the article Hardness of Water from the Upper Part of the Floridian Aquifer in Florida by William ...

Predominant Constituents of Dissolved Solids, 1975
This is a map of the predominant constituents of dissolved solids in water from the upper part of the Floridian Aquifer in Florida, current to 1975. Please see the article Dissolved Solids in Water from the Upper Part of the Floridian Aqui...

Orthophosphate Load in Pounds per Mile Squared, 1975
This map shows the dissolved orthophosphate loads of Florida streams in pounds per mile squared, May 1966. The black arrows show orthophosphate discharged to the sea in thousands of pounds per day. Please see the article Generalized Distri...

Estimated Water Use in Florida, 1975
This is a map showing the estimated water use in Florida, current to 1975. There is a table that shows the total water use, in million gallons per day, by type of use and source in Florida, 1965. There are two graphs along with the main map. One grap...

Estimated Yield of Fresh-Water Wells, 1975
This is a map of Florida showing the estimated yield of fresh-water wells, current to 1975. The following is taken from the article "Estimated Yield of Fresh-Water Wells in Florida" by Charles A. Pascale — "Well yield is an impor...

An Index to Springs of Florida, 1975
This is a map of Florida showing an index to the springs, current to 1975. The following is taken from the article "An Index to Springs of Florida" by Jack C. Rosenau and Glen L. Faulkner — "The total number of springs in Florida...

Difference Between Rainfall and Potential Evaporation, 1975
This is a map of Florida showing the difference between rainfall and potential evaporation, current to 1975. The following is taken from the article "The Difference Between Rainfall and Potential Evaporation in Florida" by F. N. Visher and ...

Average Flow of Major Streams, 1975
This is a map showing the average flow of major streams in Florida, current to 1975. The following is taken from the article "Average Flow of Major Streams in Florida" by W. E. Kenner, E. R. Hampton and C. S. Conover — "The flow ...

Chloride Concentration in Water, 1975
This is a map showing general trends in the chloride concentration in water from the upper part of the Floridian Aquifer in Florida, current to 1975. The following is taken from the article "Chloride Concentration in Water from the Upper Part of...

Sulfate Concentration in Water, 1975
This is a map showing general trends in the sulfate concentration in water from the upper part of the Floridian Aquifer in Florida, current to 1975. The following is taken from the article "Sulfate Concentration in Water from the Upper Part of t...

Gulf of Mexico, 1975
A National Oceanic and Atmospheric Administration map of the Gulf of Mexico and the Atlantic coastline from Georgetown, South Carolina south along Georgia and peninsular Florida. This National Ocean Survey chart shows all soundings expressed in fatho...

Florida and the Gulf of Mexico, 1975
A National Oceanic and Atmospheric Administration map of Florida showing the Gulf of Mexico and the Atlantic coastline. This National Ocean Survey chart shows all soundings expressed in fathoms and depth lines at 10, 20, 50, 100, and 1,000 fathoms. N...

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