<span>1,212 sq miles (3,140 km²)
...you could have just Googled this.</span>
Answer:
They would be copied by monks and preserved in places where there wasn't moister or water of any kind and they were not touched or read afterward because they were not considered sources of learning by knowledge it meant of great value that they did not want to lose that's why a lot are still preserved and looking new today.
Explanation:
The decision given by the Supreme Court in regards to the Plessy versus Ferguson was rendered invalid by the landmark civil right case of Brown versus Board of Education. In regards to the Brown versus Board of Education the court implied that it was not fair to have separate facilities for African Americans and the Whites. The facilities should always be equal as far as education was concerned. This was the case which overturned the ruling of Plessy versus Ferguson, as it was creating discrimination. This case got rid of the thinking that separate and equal facilities were okay.