Water Supply and Irrigation Papers of the United States Geological Survey . r more in the local elevation ofthe surface in this region, and flowing wells are not depend, however, mainly on local conditions, artesian areas ofany extent being absent. The waters seldom rise more than 10 feetabove the surface even when the wells are located in the lowest depres-sions. Fairly good water may be obtained in most instances fromdrilled wells of moderate depth, but generally pumping has to beresorted to. a Compiled from data furnished by T. Wayland Vaughan. FULLER.] FLORIDA. 1(51 Many of t
Water Supply and Irrigation Papers of the United States Geological Survey . r more in the local elevation ofthe surface in this region, and flowing wells are not depend, however, mainly on local conditions, artesian areas ofany extent being absent. The waters seldom rise more than 10 feetabove the surface even when the wells are located in the lowest depres-sions. Fairly good water may be obtained in most instances fromdrilled wells of moderate depth, but generally pumping has to beresorted to. a Compiled from data furnished by T. Wayland Vaughan. FULLER.] FLORIDA. 1(51 Many of the depressions and channels of the highland area aremarked by springs, some of which have been developed as resorts,while the waters of others are placed on the market for medicinalpurposes. The springs are numerous and frequently of large size,giving rise, as in the case of Silver Springs, to streams navigable totheir source. The waters, though hard, generally contain little sul-phur and iron in solution. West coast.—From the highland area the surface gradually slopes. Principal artesian areas of Florida. westward and southward to the coast. The area, as a whole, is verythinly settled, and relatively few wells have been drilled. In Hills-boro and Manatee counties, bordering upon Tampa Bay, and in theregion extending into Polk County on the east, there is a considerablenumber of flowing wells. Flowing water is also found occasionallyfrom Perry County westward to the western limits of the State, andit is probable that it could generally be obtained if the region wasthoroughly tested. The land, however, is relatively low and ill adapted 162 CNDERGROUND WATERS, EASTERN UNITED STATES. [no. 114. to settlement, and, moreover, contains numerous streams and springs,some of the latter forming streams of considerable size. The watersare generally charged with sulphur and are undesirable for manypurposes. East coast.—Most of the flowing wells of Florida are located alonga strip from 2
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