According to the article , two of the students who were killed in the shooting are (four dead in Ohio)

it was on the rise and doing very well and would continue to do well until the great depression from 1929-1939

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.