block varchar(4) NOT NULL,
arealand double precision NOT NULL,
areawatr double precision NOT NULL,
block varchar(4) NOT NULL,
arealand double precision NOT NULL,
areawatr double precision NOT NULL,
pop100 integer NOT NULL,
total_area double precision NOT NULL,
population_density double precision NOT NULL
);
pop100 integer NOT NULL,
total_area double precision NOT NULL,
population_density double precision NOT NULL
);