Photograph of T&P train #808 in Marshall, Texas. Text below the image says "Marshall, Texas Nov 20 1951" and "R. H. Carlson."

Photograph of train #806. There are buildings in the background. Text below the image says "Marshall, Texas Aug 29 1950" and "R.H.Carlson."

Photograph of a train engine and attached cars, viewed from a front side angle. Grassy areas surround a dirt patch in front. Part of a building is visible in the left background. Handwritten text below the image says, "Ruston, LA. May 25th 1950 (ex T&P #559)."

Photograph of T&P train #809. There are smokestacks and a large tank visible in the background. The text below the image says "Mar 26th 1950" and "William L. Colburn."

Photograph of T&P train #600 moving over a short section of track on a bridge. There are a few men near the front end of the train and a large plume of black smoke rising from the engine. Written below the image are "T&P '600' I-1-D pulling train up Baird Hill photo appeared in Mar 1950 Trains" and "Ulric Meisel Photo."

Photograph of T&P train #801 at the engine house in New Orleans, Louisiana. Written underneath the image are "[sic] T&P - M. P. Enginehouse New Orleans Jun 23, 1950 with auxilary water (tank) car" and "Frank Phillips."

Photograph of T&P train #805 at the engine house in New Orleans, Louisiana. Written underneath the image are "[sic] T&P - M. P. Terminal Enginehouse New Orleans La Jun 29, 1950" and "Frank Phillips."

Photograph of T&P train #805 in New Orleans, Louisiana. Written below the image are "[sic] T&P - M.P. Terminal Enginehouse New Orleans La Jun 29, 1950" and "Frank Phillips."

Photograph of T&P train #805 in New Orleans, Louisiana. Written below the image are "[sic] T&P - M.P. Terminal New Orleans La Mar 23, 1950" and "Frank Phillips."

Photograph of T&P train #805 in New Orleans, Louisiana. Written below the image are "T&P - M.P. Terminal Enginehouse New Orleans La Jun 29 1950" and "Frank Phillips."

Photograph of T&P train #805 in New Orleans, Louisiana. Written below the image are "[sic] T&P - M.P. Terminal Enginehouse New Orleans Jun 29, 1950 (as rebuilt)" and "Frank Phillips."

Photograph of T&P train #806 in New Orleans, Louisiana. There is a water tower behind the train. Written below the image are "[sic] T&P - M.P. Terminal Enginehouse New Orleans La Aug 17 1950" and "Frank Phillips."

Photograph of T&P train #807 in New Orleans, Louisiana. Behind the train is a water tower. Written below the image are "[sic] T&P - M.P. Terminal Enginehouse New Orleans La Nov 3 1950" and "Frank Phillips."

Photograph of five trains lined up next to each other in Texarkana, Texas. The rightmost train has a large plume of black smoke rising from the engine. Written underneath the image are "Texarkana, Texas 1950" and "H. E. Chelf - R. S. Plummer Photo."

Photograph of T&P train #900 in Mineola, Texas. There is a man posing next to the train, and another visible in the window of the cab. There is some writing on the bottom of the image in blue ink. The first word begins with the letters "RS" and the second word is "Mineola." A number is partially visible beneath "Mineola." The text below the photograph says "Mineola, Texas 1950" and "R. S. Plummer."

Photograph of T&P train #620 passing the station in Dallas, Texas. A Southern Pacific train car is partially visible to the right of the train. Written below the image are "[sic] Passing Dallas, Texas Station 1950 with Extra East" and "R. S. Plummer."

Photograph of T&P train #907 pulling the mail train in Dallas, Texas. Written below the image are "T&P #907 with the mail train at Dallas, Texas 1950" and "R. S. Plummer Photo."

Photograph of T&P train #1505 on tracks in Marshall, Texas. Written below the image are "Marshall, Texas 1950 - east freight" and "R. S. Plummer."

Photograph of T&P train #1505 pulling freight in Marshall, Texas. Written underneath the image are "T&P #1505 with eastbound freight at Marshall, Texas 1950" and "R. S. Plummer Photo."

Copy photo of T&P train #2004 on tracks in Dallas, Texas. Written underneath the image are "T&P #2004 with train no.8 at Dallas, Texas 1950" and "R. S. Plummer Photo."

Photograph of train engine #637 and attached cars on railroad tracks below an overpass, viewed from the front. "637" is visible on the front of the engine. Additional tracks lay to the left. Buildings sit on the left and right. An electrical pole stands to the right. Handwritten text below the image says, "Mineola, Texas 1950."

Photograph of train engine #662 and attached car on railroad tracks, viewed from a front side angle. "662" is visible on the side. Additional tracks lay to the left. Buildings can be seen in the background on the left and right. Electrical poles stand off to the right. Handwritten text below the image says, "Toyah, Texas 1950."

Photograph of T&P train #809 in Marshall, Texas. There are buildings visible behind the train. The text below the image says "Marshall, Texas Aug 28th 1950" and "Paul W. Prescott."

Photograph of train #806 in Marshall, Texas in front of some buildings. The text below the image says "Marshall, Texas Aug 28th 1950" and "Paul W. Prescott."