How to Use the Images

Table of
Contents

Photo 3: The Muddy River during construction, 1892.

Photo 4: The Muddy River after construction, 1920.

Questions for Photos 3 and 4

1. Is there evidence in Photo 3 that the original river has been altered by human effort? Explain.

2. Looking at both photos, what changes does Photo 4 document that have taken place since Photo 3 was taken?

3. If you had not seen Photo 3, do you think you could tell that the landscape in Photo 4 was man-made? Why or why not?

* The photos on this screen have a resolution of 72 dots per inch (dpi), and therefore will print poorly. You can obtain a larger version of Photo 3 and Photo 4, but be aware that each file will take as much as 50 seconds to load with a 28.8K modem.