6981
6982
Publicado 1949
“...E.U.A Dept. of State...”
6983
6984
6985
6986
6987
Publicado 1915
“...E.U.A Hydrographic Office...”
6988
Publicado 1926
“...E.U.A Hydrographic Office...”
6989
6990
6991
6992
Publicado 1931
“...E.U.A Hydrographic Office...”
6993
6994
Publicado 1925
“...E.U.A Hydrographic Office...”
6995
Publicado 1880
“...E.U.A Hydrographic Office...”
6996
6997
6998
Publicado 1875
“...E.U.A Signal Office...”
6999
7000
Publicado 1927
“...México y E.U.A...”