Report issued by the U.S. Bureau of Mines on experiments conducted regarding the desulfurization of distillates from crude oil. Characteristics and desulfurization processes are presented. This report includes tables, and a chart.

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000

Photograph of the south end of the Denison Dam. The power house is visible to the right of the photograph and the intake structure to the left. Typed text on back reads "South end of Denison Dam showing power house and intake".

Photograph of the aerial view of the Denison Dam facing south to north. The powerhouse is visible in the center of the photo as well with the construction of a second generating unit. Handwritten text on back reads "View of Denison Dam looking south to north. Visible are the intake works (left) and powerhouse (center) with the addition of a second generating unit (the large cylindrical tubes behind the powerhouse)".

Letter from WASP Cornelia Yerkes discussing traveling to Wichita, being grounded by a snowstorm, picking up Cessnas for delivery, trying to find a Parker 51 pen, food, and recent correspondence. Written on 5th Ferrying Group stationary.

Letter from WASP Cornelia Yerkes to her mother discussing her repaired typewriter, sleeping on a flight, delaying a ferrying flight because a ground crew member stepped through the wing, friends, the B-24, and a AT-6 check flight. Typed on Wells Roberts Hotel (Oklahoma City) stationary.