Tim, These are the infamous helium tank cars according to the 1945 and 1950 ORER Rich Orr

Tim, I was simply listing the assigned reporting marks. If you note there is no termination date for the DS&A and the DSS&A unlike the DSA which terminated twice. And from photographic evidence the DS

Jerry, This is one of those depends times. Duluth South Shore & Atlantic reporting marks changed over time. According to the NRHS web site DS&A July 1923 DSS&A April 1938 DSA Jan 1952 - April 1961 and

Its Duluth South Shore and Atlantic and the reporting marks as DSA see ORER and NRHS web site Rich Orr

According to both the AAR and NRHS web sites: Durham and Southern reporting marks are DS Dillonvale & Smithfield reporting marks are D&S Neither shows a listing for DAS Rich Orr

Cornplanter refined two white oils X Water White Oil No, 2001 Specific gravity 47 - 48; 150 fire test; highest grade burning oil; water white in color 120 Water White Oil No 2004 specific gravity 48;

Additional info. Cornplanter Refining Co was formed in 1888 and sold to Ohio Cities Gas Co (Columbus) 7 July 1917. At that time they had a capacity of 1000 barrels a day and were considered to be one

From Railway Age Vol 43 No 7 pg 226 (June, 1907) Robert M Burns & Co. Chicago ... received orders from the Cornplanter Refining Co. for 24 tank cars. This would lead me to believe that Cornplanter own

From Jan 1901 ORER Cornplanter Tank Line cars number 21 - 63 Cornplanter Refining Company, Warren, PA Rich Orr

Just my take on this a box car is a car for transporting boxes a boxcar is a railroad car shaped like a box According to Random House dictionary both are correct for a completely enclosed freight car.

There is a 3/4 view builder's photo from Bill Lane's collection on Rob Schoneberg's site at http://prr.railfan.net/freight/freightphotos.html?photo=BuildersPhotos/X30_59861_A34_BillLane.jpg&fr=clX30 R

Tony, That might be Columbus Ohio. NYC had trackage through and some facilities in Columbus via the Big Four route and the Ohio Central & Toledo. Rich Orr

Al, Don't know for sure. My guess would be no more than 300 dpi. The files are big enough to be much more than that. Rich Orr

Al. Try this. http://mysite.verizon.net/resteele1/newsites/va_historical_topos.htm Rich Orr

Yes, because the Supreme Court ruling which forced the break-up of Standard Oil limited Sohio to only retail outlets in Ohio See http://www.dantiques.com/sohio/timeline.htm For this history of Sohio R

Why not? Primarily because they are not available for the road I model. They were consider to contain information that was valuable to competitors so the sheets were routinely destroyed by the railroa

Sohio did business in Pennsylvania as Boron and IIRC in a few other states surrounding Ohio Rich Orr

As I recall the car was repainted in the P/L of the road then in possession of the car. It was later identified by the purely PRR trucks and the C/N and original car number on the center sill. Or I co

Then you would need to add the SFRD to the ATSF and the FGEX to all the member roads. Rich Orr

Only if you add half of the PFE fleet to each . Otherwise you are counting the PFE fleet twice. Rich Orr