Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
Members of the King family arrive in 1998 at Freedom Plaza, a wide spa...
Digital image produced by Carol M. Highsmith to represent her original film transparency; some details may differ between the film and the digital images. Title, date, and keywords provided by the photographer.... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
Workers lower a time capsule containing some of the belongings of Mart...
Digital image produced by Carol M. Highsmith to represent her original film transparency; some details may differ between the film and the digital images. Title, and keywords provided by the photographer. Date ... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
Falls Bridge, Spanning Schuylkill River, connecting East & West River ...
Significance: The Falls Bridge is a unique and well-preserved example of the Petit through truss design, capable of carrying a roadway on both its upper and lower chords. The upper deck remains incomplete, but... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More
For future time and beings : draft essay
A draft of the essay Carl Sagan contributed to the book Murmurs of Earth : the Voyager interstellar record published in 1978. In the essay, Sagan describes the goals of the Voyager Golden Records. Voyager Gold... More