http://imgur.com/a/9X7wv This was in the basement of my first house and measures 84X64 inches. I was wondering is anyone had any info in regards to its origin and purpose. Thanks in advance!
It's a map of the United States and its possessions from 1918.
It shows the expansion of the United States, indicating when each new territory was acquired.
Looks like it was possibly meant to hang on classroom walls.