A few weeks later an envelope appeared in my mailbox with three documents and a short note from Jim reading "Marty, is this something that answers your question?"
What Jim had sent me was three copies of a document called "List of Industries (Served by Private Sidings) and Facilities Located at Stations on the Central Vermont Railway and Montpelier and Barre Railroad." Quite a mouthful! (the exact title apparently changed over the years!)
One was from 1945, one from 1959, and the third from 1965.
A page from the 1945 book is shown below:
Keep in mind when the list reads "Siding length 50-feet" that does not mean there's a dedicated 50-foot long spur off the main - it merely means that particular customer was responsible for paying for the upkeep of that length of track - quite often there would be several customers located along a single siding, with each customer responsible for the maintenance of a certain portion.
The listing also indicates the customer's name - I believe it's whomever the railroad would bill for the service. In the Enosburg Falls listing above, "Issac Brown" is shown as a Retail Petroleum Dealer with a siding length of 40 feet.
Look on a map of Enosburg Falls and you'll note there's an oil dealer - Standard Oil Co. of New York - located on the double ended siding across from the depot. The engineering department plats make no reference to "Issac Brown." I'm fairly certain he was the owner, or at least the manager, of the Socony dealership in Enosburg Falls, Vt.