GASCONADE COUNTY, situated between the eastern and central parts of Missouri, on the southerly side of Missouri river, and traversed by Gasconade river. Area, 1,260 square miles. Face of the country uneven; soil, on the lowlands, fertile. Seat of justice, Hermann. Pop. in 1830, 1,545; in 1840, 5,330; in 1850, 4,996.

FRANKLIN COUNTY, situated toward the easterly part of Missouri, with Missouri river on the north. Area, 850 square miles. Face of the country broken and hilly; soil mostly sterile. Seat of justice, Newport. Pop. in 1820, 2,379; in 1830, 3,484; in 1840, 7,515; in 1850, 11,021.

DUNKLIN COUNTY, situated at the southeasterly corner of Missouri, with St. Francis river on the west, and Lake Pemisco, and a part of Mississippi river, on the southeast. Area, -------- square miles. Seat of justice, Chillitecaux. Pop. in 1850, 1,229.

DODGE COUNTY, situated on the northerly boundary of Missouri. Area, ------ square miles. Seat of justice, St. John. Pop. in 1850, 353.

DE KALB COUNTY, situated In the northwest part of Missouri. Area, -------- square miles. Seat of justice, Maysville. Pop. in 1850, 2,076.

DAVIESS COUNTY, situated in the northwest part of Missouri, and traversed by long branch of Grand river. Area, 576 square miles. Seat of justice, Gallatin. Pop. in 1840, 2,736; in 1850, 5,298.

DALLAS COUNTY, situated toward the southwest part of Missouri. Area, --------- square miles. Seat of justice, Buffalo. Pop. in 1850, 3,648.

DADE COUNTY, situated near the southwest part of Missouri. Area, 960 square miles. Face of the country undulating; soil fertile. Seat of justice, Greenfield. Pop. in 1850, 4,246.

CRAWFORD COUNTY, situated toward the southeast part of Missouri, and watered by Maramec river. Area, 1,650 square ms. The face of the country is partly level, and partly hilly; soil generally poor, and abounds in iron. Seat of justice, Steelville. Pop. in 1830, 1,721; in 1840, 3,561; in 1850, 6,397.

COOPER COUNTY, situated in the central part of Missouri, on the south side of Missouri river. Area, 400 square miles. Face of the country generally level, with rich and fertile prairies. The alluvial soil along the streams is also of first rate quality. Seat of justice, Bonneville. Pop. in 1820, 6,959; in 1830, 6,019; in 1840, 10,848; in 1850, 12,950.