Topographic Map Index
1989
1966
1983
1977
1958
1893
1979
1985
1953
1985
1913
1969
1983
1947
1951
1956
1988
1982
1973
1968
1975
1966
1960
1957
1963
1975
1894
1991
1887
24000
1958
1978
1917
1949
1975
1969
250000
1973
1958
1923
1959
1990
1910
1950
1949
1969
1980
1896
1934
1948
1970
1916
1963
1972
1958
1951
1956
1960
1991
48000
1971
1972
1993
1975
1974
1973
1985
1974
1972
1985
1989
48000
62500
1985
250000
1974
1993
1897
1973
1908
1910
62500
1906
1975
1893
1956
1928
1935
1959
1989
1920
1959
1933
1966
1935
1948
1964
1982
1942
1913
1926
1983
1995
1959
1957
1940
1975
1980
1965
1981
1949
1954
1957
1992
1918
1947
1895
1968
1967
1991
1973
1918
1959
1963
1975
1984
1933
1959
1948
1931
1922
1977
1956
1991
1898
1914
1966
1900
1932
1897
1974
1917
1970
1913
1922
1909
1922
1981
1918
1973
1993
1984
1969
1958
1966
1978
1976
1976
1900
1967
1976
1969
1953
1954
1986
1895
250000
1959
1911
1939
1965
62500
1934
1908
1969
1951
1895
1941
1973
1983
1958
1968
31680
62500
1925
1963
1953
1923
1973
1906
1925
1974
1965
1966
1949
1902
1956
1961
1923
1970
1909
1966
1932
1911
1976
1975
1956
24000
1915
1938
1958
1992
1968
1973
1927
1965
1991
1986
1904
1934
1985
1989
1958
1981
1974
1903
1894
1966
1893
1969
1918
1993
1984
1967
1922
1986
1896
1983
1956
1983
1973
2022
1975
1918
1981
1981
1988
1961
1958
1984
1969
1984
1938
1909
2016
1928
1989
1930
1984
1967
1970
1969
1995
1975
1924
1972
1964
1986
1948
1967
1922
2014
1964
1948
1965
24000
62500
1986
1965
1970
1967
1921
1980
1978
1922
1937
1961
1973
1984
1935
1993
1969
1958
1970
1893
1967
1985
1984
1960
1973
1945
1922
2020
1968
1945
1965
1948
1959
1991
1974
1954
1961
1921
1967
1986
1986
1974
1986
1958
1971
1988
1984
1999
1978
1940
2013
1974
125000
1978
1949
1946
1983
1963
1916
1937
1923
1977
1976
1986
1967
1969
1986
1938
1897
1893
1973
1918
1983
1969
1973
1969
250000
1948
1939
1893
1922
1946
1898
1917
1900
1955
62500
1944
1907
1893
1972
1989
1974
1946
1962
1934
1968
1930
1932
1912
62500
100000
1969
1897
1934
1980
1967
1995
1956
250000
1954
1926
1903
1973
1984
1993
1912
1918
1935
1984
1928
1927
1906
1948
1965
1987
1970
1974
1985
1987
100000
1958
1991
1934
1968
1979
1965
1925
1974
1917
1964
1991
1998
1929
1961
1962
1975
1934
2000
1956
1984
1975
1983
1981
1928
1901
1900
1959
1986
1983
24000
1940
1935
1995
1898
1967
1933
1964
1945
1920
1994
1995
2019
1973
1967
1949
1964
1939
1959
1956
1954
1914
1911
1966
1955
1947
1898
1976
1951
1971
1965
24000
1911
1986
1984
1953
1969
1893
1952
1968
1889
1964
1974
1908
1986
1961
1951
1912
2020
1986
1974
1991
1907
1967
20000
1990
1896
1969
1984
1974
1985
1986
1985
1984
1954
1975
1901
1937
1991
1917
1979
1985
1964
1950
1960
1958
1946
1904
1906
1987
1986
1939
1973
1963
1986
1970
1970
62500
1939
1991
1967
1960
1964
1943
1949
1974
1951
1973
62500
1974
1980
1980
1965
1978
1988
1976
1892
1956
1935
1941
1985
1973
1983
1930
1964
1965
1968
1933
1984
1926
1966
1939
1977
1983
1929
1959
62500
1953
1967
1966
1918
1965
1931
1902
1918
1956
1908
1974
1948
1947
1969
2018
1891
1951
1972
1985
1966
250000
1978
1964
1950
1951
1982
1976
1937
1945
1965
1987
2000
1967
1970
1976
1957
1965
1911
1958
1981
1913
2012
1903
1956
1984
1986
1975
1967
1927
1927
1958
1969
1964
1920
1897
1947
1978
1984
1958
1966
1926
1899
1943
1986
1961
1954
1983
1902
1928
1983
1961
1921
1970
1966
1935
1955
1987
1977
1991
1951
1964
1928
1963
1950
1975
1994
1969
1985
125000
1975
1927
1956
1980
1944
1956
1922
1932
1920
1975
1983
1983
1967
1985
1963
1949
1982
1951
1928
1915
1972
1975
1891
24000
1985
1948
1966
1971
1994
1936
1992
1967
1943
1976
1975
1908
1975
1967
1976
1932
1906
1992
1967
1963
1983
1959
1932
1920
1991
1951
1910
1986
1952
1936
1994
62500
1906
1960
1985
1991
1967
1987
1984
1954
250000
1973
1987
1949
1943
1973
1962
1968
1952
1960
1983
1967
1920
1923
1895
1972
1985
1985
2016
1965
1990
62500
1979
1960
1934
1976
1966
1957
1976
1966
1920
100000
1987
1978
1979
1970
1966
2021
1906
1930
1913
1930
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5329856 (USGS 1:62500-SCALE QUADRANGLE FOR DELAWARE WATERGAP, PA 1893) |