nature preserve Natural resources: coal, sulfur,

10.077445 0.099232 8.8650% 1978 0.651034 1.536018 7.2813% 1977 8.412212 0.118875 6.6558% 1976 4.744380 0.210776 6.4073% 1975 7.059852 0.141646 9.8159% 1974 1.985288 0.503705 9.0909% 1973 6.265846 0.159595 6.4509% 1972 1.768077 0.565586 4.7304% 1971 5.692546 0.175668 5.7132% 1970 1.647072 0.607138 5.5272% 1969 4.795097 0.208546 5.5714% 1968 4.960657 0.201586 5.0148% 1967 2.783010 0.359323 2.5719% 1966 4.374823 0.228581 3.5485% 1965 4.828743 0.207093 2.7360% 1964 2.885917 0.346510 1.5423% 1963 3.857344 0.259246 1.5697% 1962 0.124973 8.001742 2.2421% 1961 0.396945 2.519239 0.9709% 1960 4.065903 0.245948 1.6442% 1959 0.162995 6.135167 2.3579% 1958 0.209549 4.772156 2.0623% 1957 0.270193 3.701062 3.5571% 1956 1.084934 0.921715 3.3098% 1955 2.158665 0.463249 3.4226% 1954 0.111442 8.973267 1.5421% 1953 0.302220 3.308846 1.5703% 1952 3.493242 0.286267 1.5948% 1951 0.119637 8.358637 5.0183% 1950 3.567385 0.280317 1.7034% 1949 0.325485 3.072340 -0.4250% 1948 0.126536 7.902896 6.7886% 1947 3.157234 0.316733 13.9149% 1946 0.100017 9.998272 22.7896% 1945 2.257173 0.443032 3.2661% 1944 1.176934 0.849665 1.3234% 1943 0.400535 2.496658 2.7232% 1942 0.088657 11.279482 0.0000% 1926 0.132550 7.544297 0.0000% 1926 0.132550 7.544297 -2.0001% 1925 1.339322 0.746646 0.6731% 1924 0.452875 2.208117 2.0549% 1923 1.972893 0.506870 0.0000% 1922 0.059485 16.811081 0.0000% 1928 0.572534 1.746621 -0.6823% 1927 0.095891 10.428514 6.5229% 1941 1.864807 0.536248 6.1527% 1940 1.000000 1.000000 -1.4749% 1895

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