From A to B

Barges transported immigrants from their steamship company’s dock to Ellis Island. Immigrants then walked from the barges to the main building on Ellis Island. In the background is a hospital where ill passengers were dispatched.

Credited: 1902 William H. Rau. Library of Congress

Additional buildings used by the U.S. government to quarantine immigrants with contagious diseases.

Credit: Created 1902 Unidentified photographer. Library of Congress

Both of the pics differ for one is depicting the immigrants coming off their original boats and into the new ports on Ellis Island. The other one is the actual additional buildings. The style is the different because they are by different authors but yet they are both from the Library of Congress.