Are modern loop served industries like coal mines or especially grain elevators where an entire train is loaded or unloaded with the cars rolling under a spot at slow speed worth modeling for their operating potential?

One thing I have noticed about some model railroad operations is that jobs are expected to switch every customer every session. I was recently going back through some old information from my Trainmaster and AGM days on a few railroads. One of the things I was placed in charge of was creating job duty and customer switching plans. My decisions were based on a number of factors, so if you are interested in how some schedules are made keep reading. 

I have added some new documents that are selected transcriptions of rule books in Word Doc format.

P&R 1876 

P&R 1888

P&R 1903

Rule Books – Wilmington & Northern Branch (wnbranch.com)

I am soon to take possession of a 20’ x 20’ fully finished train room with a house attached to it, so planning a new layout has begun, and I'm interested in the community's constructive comments. The next post shows a floorplan of the space.