STATE OF FLORIDA STATE BOARD OF CONSERVATION DIVISION OF GEOLOGY Robert O. Vernon, Director REPORT OF INVESTIGATIONS NO. 50 WATER RESOURCES OF ORANGE COUNTY, FLORIDA By W. F. Lichtler, Warren Anderson, and B. F. Joyner U. S. Geological Survey Prepared by the UNITED STATES GEOLOGICAL-SURVEY in cooperation with the DIVISION OF GEOLOGY, FLORIDA BOARD OF CONSERVATION and the BOARD OF COUNTY COMMISSIONERS OF ORANGE COUNTY .Tallahassee 1968 -