Florida - 975.9 Dewey Decimal Numbers for U.S. States and Counties County Dewey Decimal Number Alachua 975.979 Baker 975.913 Bay 975.995 Brevard 975.927 Bradford 975.915 Broward 975.935 Calhoun 975.9943 Charlotte 975.949 Citrus 975.972 Clay 975.916 Collier 975.944 Columbia 975.983 Dade 975.938 Dixie 975.9812 De Soto 975.959 Duval 975.912 Escambia 975.999 Flagler 975.919 Franklin 975.991 Gadsden 975.9925 Gilchrist 975.978 Glades 975.951 Gulf 975.9947 Hamilton 975.984 Hardee 975.957 Hendry 975.946 Hernando 975.971 Highlands 975.955 Hillsborough 975.965 Holmes 975.9965 Indian River 975.928 Jackson 975.993 Jefferson 975.987 County Dewey Decimal Number Lafayette 975.9816 Lake 975.922 Lee 975.948 Leon 975.988 Levy 975.977 Liberty 975.9923 Madison 975.985 Manatee 975.962 Marion 975.975 Martin 975.931 Monroe 975.941 Nassau 975.911 Okaloosa 975.9982 Okeechobee 975.953 Orange 975.924 Osceola 975.925 Palm Beach 975.932 Pasco 975.969 Pinellas 975.963 Polk 975.967 Putnam 975.917 Saint Johns 975.918 Saint Lucie 975.929 Santa Rosa 975.9985 Sarasota 975.961 Seminole 975.923 Sumter 975.973 Suwannee 975.982 Taylor 975.986 Union 975.914 Volusia 975.921 Wakulla 975.989 Walton 975.997 Washington 975.9963