Letter from W. S. Carter to M. O. Laisure discussing that Laisure's inquiry as to the authority to enable the 11th and 12th seniority districts to consolidate. Carter reiterates that Laisure does not have the permissions to authorize the consolidation, and to do so would call for objections from the company.

A photograph print showing the Chicago, Rock Island & Pacific (CRIP, RI, or ROCK) 236, 0-6-0, Peoria, IL.

Patent for a cotton and corn planter that does not put as much pressure on the tongue of the machine as previous models and that allows the plow attachment to be lifted higher off the ground to avoid obstacles.

A photograph print showing Chicago & Illinois Midland (CIM) 501, 4-4-0, Peoria, IL.

A photograph print showing the Chicago, Rock Island & Pacific (CRIP, RI, or ROCK) 917, 4-6-2 (Alco/Schenectady), Peoria, IL.

A photograph print showing the Chicago, Rock Island & Pacific (CRIP, RI, or ROCK) 2538, 2-8-2, Peoria, IL.

A photograph print showing Santa Fe (ATSF) 593, 0-8-0 switcher, Chilicothe, IL.

A photograph print showing Santa Fe 3405, 4-6-2, taking on water, Chillicothe, IL

A photograph print showing Santa Fe 3439, 4-6-2, Chillicothe, IL. [see also 2008.008.1165]

Photograph taken for a story in the Oklahoma Times newspaper. Caption: "signed to present daily performances through the summer at Lincoln park zoo is Dick Clemens, Peoria, Ill."

A photograph print showing the New York, Chicago & St. Louis (NKP-"Nickel Plate Road") 152, 4-6-0, Peoria, IL.

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Tom Verhake, a 30-year veteran of the Caterpillar Corp. in Peoria, Ill., has the assignment of bringing into Caterpillar's giant network of dealers the highly automated equipment made at the CMI plant."

Postcard from E. Lucas to Lucy Dodge, discussing the safety of a boxy Lucy sent her, her own illness, and the city of Boerne, Texas. The postcard features a photograph, colored in with ink, of a driveway along the side of a tall sloping hill and the surrounding area. Further down the winding dirt drive, there is a suspension bridge across the road. The environment has lots of scrub brush and small, bushy trees.

Copy of letter sent from Cecelia McKie to Mrs. A. Chittick, recorded in the letter as 'Mrs. Thomas Shithick' regarding Santo Tomas Internment Camp internee William Chittick, recorded in the letter as 'William Alfred Shithick'. Letter contains transcribed message to mother from internee broadcast on Radio Tokyo. Letter also contains note dated July 8, 1943 to Mrs. Larsen from Cecelia McKie that asks Mrs. Larsen to forward the message to the P.O.W.'s family, as the letter was returned in the mail. She asks Mrs. Larsen for Canadian maps, as she is now hearing messages broadcast from Canadian prisoners.

A photograph print showing Santa Fe 3259, 2-8-2, on westbound freight, near Edelstein, IL.

Letter from Walter D. Moore to M. O. Laisure discussing the constitutional rules of consolidation of two seniority districts and where the information is found. Also discussed is the individual to contact (Brother Carter) if the recipient needs more definite information.

Photograph of a Model-D Tournapull attached to the Carryall Model Q. According to information found online (https://contract295dev.wpenginepowered.com/classic-machines/model-d-tournapull/), the company built this combination, an "air transportable earthmover," for the U.S. Army from 1942-1946, during World War II. From 1942 to 1946, LeTourneau built over 600 of these machines and continued production after the war. This photograph was clearly meant for a brochure or catalog, since the background has been eliminated.

Photograph of a Model C Tournapull, likely from the 1940s based on similar images found online and "LeTourneau Heavy Equipment" by Eric C. Orlemann. According to him, the Model C was the most popular of the scrapers built by the company.

Special issue of a weekly newsletter for employees of R.G. LeTourneau, Inc. documenting the dedication of a new plant addition in Peoria, Illinois.

Special issue of a weekly newsletter for employees of R.G. LeTourneau, Inc. announcing events related to the plant addition dedication in Peoria, Illinois, including a feature presentation by radio evangelist Dr. R. R. Brown.

A photograph print showing the Minneapolis & St. Louis (MSTL) 626, 2-8-2.

A photograph print showing the Minneapolis & St. Louis (MSTL) D-738 diesel switcher, two four-wheel trucks, Peoria, IL.

A photograph print showing the Minneapolis & St. Louis (MSTL) ME-4 motorcar with passenger & baggae sections, Peoria, IL.

Interview with J. L. Ashmore, a United States Navy veteran from Peoria, Illinois, regarding his experiences and memories of the Japanese attack on Pearl Harbor of December 7, 1941 while aboard the battleship USS West Virginia.