Topographic Map Index
1938
1988
1967
1958
1984
1975
1989
1964
1918
1988
1917
1963
1983
1912
1912
1973
1968
1967
1934
1969
1965
1960
1966
1912
1898
1944
1906
1980
1960
1969
1960
1898
1918
1984
1912
1987
1964
1988
1973
1973
1917
1903
1924
1969
1986
1932
1966
1973
1898
1966
1947
1954
1989
1966
1911
1951
1986
1944
250000
1970
1964
1942
1964
1978
1978
1975
1986
1909
1926
1902
1945
1985
1974
1949
1960
250000
1911
1958
1945
1917
1964
1965
1988
1909
1954
1980
1983
1992
1956
1936
1987
1945
1930
1915
1936
1979
1973
2000
250000
1909
1963
1960
1987
1984
1992
1982
1959
1909
1982
1909
1983
1961
1951
1930
1976
1961
1986
1963
1983
1976
62500
250000
1989
1963
1909
1987
1977
1976
1954
1987
1975
1950
1945
1966
1948
1945
1972
1976
1988
1900
1964
1959
1965
1941
1974
1986
250000
1962
1972
1991
1986
1973
1965
1908
1930
62500
1901
1987
1988
1888
1983
1912
1991
62500
1971
1965
1958
1949
1965
1966
1987
1986
1958
1976
1991
1964
1968
1991
1969
1919
1995
1983
1965
1906
1906
1954
1912
1994
1965
1977
1989
1978
1956
1906
1944
1971
1985
1988
1903
1963
62500
1959
1964
1958
1951
1906
1964
1978
1945
1985
1985
1913
1906
1965
1986
1972
1981
1934
1986
1903
1973
1976
1973
1977
1983
1983
1991
1888
1976
1954
1986
1950
1994
1965
1972
1965
1975
1960
1983
1898
1923
1994
1965
1964
1950
1968
1987
1950
1950
1962
1973
1958
1944
1962
1994
1925
1957
1958
1983
1996
1984
1985
1987
1983
1986
1972
1925
1958
1911
1971
1995
1939
1988
1965
1964
1965
1985
1965
1893
1976
1991
1975
1985
1986
1921
1962
1965
1964
1907
1921
1964
1930
1898
1897
1986
1963
1948
1956
1983
1968
1908
1980
1968
1983
1992
1971
1951
1965
1931
1980
1965
1971
1964
1977
1953
1972
1908
1952
1954
1979
1994
1961
1976
1964
1932
1968
1972
1957
1979
1978
1900
1973
1991
1977
24000
1955
100000
1964
1944
1907
1963
1988
100000
1986
1908
1967
1964
1953
1929
1908
1923
1980
1888
1900
1994
1945
1986
1934
1986
1969
1949
1980
1977
1976
1994
1949
1991
1900
1972
1991
62500
1906
24000
1991
1975
1975
1967
1988
1977
1928
1953
1882
1968
1960
125000
1959
1976
1968
1985
1888
1974
1967
1931
1937
1985
1967
1973
1991
1953
1937
1963
1913
1972
1923
1959
1991
1914
1957
1976
1977
1970
1914
1980
1994
1977
1968
1987
1895
1951
1959
1980
1908
1932
1967
1980
1970
1920
1971
1987
1961
1930
1978
1975
1977
1985
1941
1934
1969
1975
1950
1983
1994
1980
48000
1965
1977
1988
1950
1963
1963
1974
1971
1972
1977
1983
100000
1964
1976
1897
1959
1956
1986
1985
1967
1971
1969
1975
1953
1972
1910
1937
100000
1976
1952
1968
1979
1973
1964
1951
1973
125000
1978
1951
1913
1986
1975
100000
24000
1958
48000
1968
1980
1977
1953
1966
1953
1988
1970
1946
1953
1891
1923
1935
1908
1960
1928
1923
1965
1907
1961
1967
1893
1966
1977
24000
1953
24000
1967
1939
1933
1973
1976
100000
1969
1933
1955
1975
1967
1983
1970
25000
24000
1971
1991
1944
1926
1974
1981
1980
1964
1913
1921
1920
1977
1928
1985
1968
1955
1976
1966
1956
1972
1949
1966
1968
24000
1988
1913
1939
1932
1976
1986
1984
1984
1970
125000
1971
1986
1991
1977
1951
1973
1979
1946
1961
1907
1974
1960
1899
1901
100000
1977
1999
1932
1942
1907
1980
1974
1914
1975
1980
1966
1977
1979
125000
1945
1985
1908
1896
1895
1978
1974
1971
1966
1974
1951
1982
1991
1958
1955
1920
1956
1968
1887
1968
1976
2000
1970
24000
1914
1929
1984
1902
1954
1978
1969
125000
1984
1951
1978
1954
1995
1968
1990
1891
1972
1944
1984
1993
1931
1948
1892
1943
1956
1975
1986
1932
1942
1961
1948
1986
1974
1964
1977
1935
1968
1958
1984
1935
1962
1972
1985
100000
1901
1971
1972
1956
1948
1986
1956
1964
1972
1974
1977
1958
1968
1975
1968
1958
1946
1991
1976
1971
1910
1913
1981
1923
1984
1993
1923
1993
1958
1970
1940
1972
1986
1978
1928
1972
1978
1895
1951
1972
1933
1972
1978
1948
1966
1928
1910
1984
1954
1913
1952
1942
1939
1983
1928
1935
24000
1985
1933
1927
1946
1959
1978
1901
1913
1980
1970
1893
1896
1973
1913
1925
1903
1940
1974
1980
1940
1958
1974
1910
1905
1958
1966
1966
1993
1991
1958
1982
1899
1953
1948
1932
1954
100000
1948
1970
1966
1967
1940
1974
1967
1934
1960
1964
1961
1993
1967
1974
1952
1905
1993
1952
1949
1945
1943
1970
1934
1958
1978
1934
1993
1924
1974
1993
1960
1979
Select map
5604480 (USGS 1:50000-SCALE QUADRANGLE FOR PROVIDENCE, RI 1979) |