Number of Topographic Maps per State
State Year Completed Number of Maps
Alabama 1987 849 Arizona 1988 1880 Arkansas 1987 875 California 1990 2747 Colorado 1987 1796 Connecticut 1951 91 Delaware 1951 39 District of Columbia 1960 3 Florida 1978 1008 Georgia 1978 944 Hawaii 1980 124 Idaho 1990 1558 Illinois 1987 996 Indiana 1966 637 Iowa 1986 1008 Kansas 1981 1408 Kentucky 1957 680 Louisiana 1989 802 Maine 1990 698 Maryland 1958 215 Massachusetts 1950 180 Michigan 1988 1248 Minnesota 1984 1666 Mississippi 1989 769 Missouri 1988 1199 Montana 1989 2891 Nebraska 1990 1374
State Year
CompletedNumber of Maps Nevada 1990 1893 New Hampshire 1989 174 New Jersey 1958 147 New Mexico 1988 1984 New York 1990 945 North Carolina 1988 907 North Dakota 1984 1381 Ohio 1963 738 Oklahoma 1985 1146 Oregon 1990 1825 Pennsylvania 1973 807 Rhode Island 1958 24 South Carolina 1990 508 South Dakota 1985 1453 Tennessee 1983 684 Texas 1985 4282 Utah 1990 1502 Vermont 1989 180 Virginia 1972 715 Washington 1990 1403 West Virginia 1978 411 Wisconsin 1985 1098 Wyoming 1989 1797 Total 53,689