Simplify the following text for a Grade 5 native English-speaking person.
Original: This was due to the area 's geography ; simply building a spur off of the main line would have resulted in too steep a climb to the steel mill .
Simplified: This was due to the area 's geography . If the railroad simply built a spur off of the main line , it would have meant that trains trying to get to the steel mill would have faced too steep a climb .