Year	Millions Of Acres
1866	7.67000
1867	7.86000
1868	6.97000
1869	7.75000
1870	9.24000
1871	8.28000
1872	9.58000
1873	11.0000
1874	10.7500
1875	11.3500
1876	11.7500
1877	12.6100
1878	13.5400
1879	14.4700
1880	15.9200
1881	16.4800
1882	15.6400
1883	16.3000
1884	16.8500
1885	17.9200
1886	18.3700
1887	18.7900
1888	19.5200
1889	20.1900
1890	20.9400
1891	21.5000
1892	18.8700
1893	20.2600
1894	21.8900
1895	19.8400
1896	23.2300
1897	25.1300
1898	24.7200
1899	24.1600
1900	24.8900
1901	27.0500
1902	27.5600
1903	27.7600
1904	30.0800
1905	27.7500
1906	31.4000
1907	30.7300
1908	31.0900
1909	30.5600
1910	31.5100
1911	34.9200
1912	32.5600
1913	35.2100
1914	35.6200
1915	29.9500
1916	33.0700
1917	32.2400
1918	35.0400
1919	32.9100
1920	34.4100
1921	28.6800
1922	31.3600
1923	35.5500
1924	39.5000
1925	44.3900
1926	44.6100
1927	38.3400
1928	42.4300
1929	43.2300
1930	42.4400
1931	38.7000
1932	35.8900
1933	29.3800
1934	26.8700
1935	27.5100
1936	29.7600
1937	33.6200
1938	24.2500
1939	23.8000
1940	23.8600
1941	22.2400
1942	22.6000
1943	21.6100
1944	19.6200
1945	17.0300
1946	17.5800
1947	21.3300
1948	22.9100
1949	27.4400
1950	17.8400
1951	26.7000