ASML meaning in Regional ?

Answer: What is Atlanta, Stone Mountain and Lithonia Railway mean?

The Atlanta, Stone Mountain and Lithonia Railway (ASM&L) (reporting mark ASML) was a rock quarry railroad that began operations in 1909. A "common carrier" railroad it had lines connecting to the Georgia Railroad and primarily served granite and gneiss quarries at Lithonia and at Stone Mountain in DeKalb County. It operated 4 miles of track from Lithonia, Georgia, to a quarry near Rock Chapel, Georgia.

Notes on the line say it ran from "Lithonia to Georgia Railroad. Davidson Granite Company, Northeast of Lithonia".

reference

Full Form	Category
Alternate Scripting Markup Language	Academic & Science
Automatic Site Markup Language	Academic & Science
A S M Lithography Holding Company	Business
Advanced Semiconductors Materials Lithography	Business
Abstract State Machine Language	Computing
Annual Survey of Manufactures and Logging	General
Advanced Semiconductor Material Lithography	General
Atlanta, Stone Mountain and Lithonia	General
Above Sea Mean Level	General
Armstrong Siddeley Motors Limited	General
Atlanta, Stone Mountain and Lithonia Railway	Regional