Dallas

1974

1:24k

Dallas

1974

1:24k

Dallas

1957

1:63k

Dallas

1957

1:63k

Dallas

1957

1:63k

Corvallis

1980

1:100k

Salem, Or

1977

US Geological Survey

1:250k

Salem

1963

1:250k

Salem

1960

1:250k

Salem

1954

1:250k