From Introduction: "Figure 1 shows the location of sources that have been either exploited or seriously considered at one time or another, super-imposed upon a map indicating by small letters the order of consumption of K2O in the leading States; the amount used in these States, together with the percentage of the total consumption of potash used as fertilizer in the United States in 1939, is given in table 1. Figure 2 shows the domestic production and total consumption of potassium salts, in terms of tons of K2O, with the value per unit at the plants, for each year since 1913. Considered together, these two figures tell a significant story."

This report discusses some vital services that natural ecosystems contribute to human health and development.

Report discussing best practices for growing winter wheat in the eastern United States. Topics discussed include soils adapted to wheat cultivation, fertilizers, seed selection and preparation, and crop rotation.

Revised edition. Report discussing best practices for growing winter wheat in the eastern United States. Topics discussed include soils adapted to wheat cultivation, fertilizers, seed selection and preparation, and crop rotation.

Interview with James F. Brede, dentist and U.S. Army Air Forces veteran. The interview includes his personal experiences in World War II as a B-17 co-pilot with the 8th Air Force in the European Theater, his childhood in Allegheny County, Pennsylvania, enlistment in the U.S. Army Air Forces in 1943, preliminary training in Tennessee, Alabama, Missouri, Arkansas, and Texas, his active service with the 379th Bomb Group in Kimbolton, England, combat experience in 35 missions, return to the U.S. and continued military service as a flight instructor in Lakeland, Florida and Wichita Falls, Texas, as well as the return to civilian life, marriage, dental school under the G.I. Bill, reenlistment in the Air Force as a dentist, his deployment to Korea, his discharge from the Air Force, and the establishment of his dental practice and experiences since retirement. The interview includes an appendix with a copy of his book.

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story. The story aired at 6:30pm.

Letter from Dorothy McCraken to Rigdon Edwards apologizing for not attending the past reunion, explaining why she didn't, and her communication with Polly White.

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story about a challenge to MLB's reserve clause taken to federal court, DFW sports action, Dolph Scayes named Buffalo's head basketball coach, and an update on suspend Tigers Pitcher Danny McLain.

Photocopy of an article about Grace McGuire and the dangerous journey she will fly from New Guinea to Howland Island in an attempt to "duplicate" Amelia Earhart's last flight.

A handwritten timeline with details of Cornelia Yerkes' service as a WASP and Red Cross worker in World War II, with details on her training, duty stations, aircraft and routes flown, and some personal details.

Postcard from WASP Cornelia Yerkes to her parents discussing traveling to Buffalo to pick up a P-40 bound for Florida. The postcard features an image of a USAAF P-40 in flight.

Letter from Cornelia Yerkes discussing arranging a meeting with Jackie Cochran, visiting home, and living with the Willis family.

Postcard from WASP Cornelia Yerkes to her parents discussing ferrying aircraft to Newark and traveling to Washington DC. The postcard features an image of a Douglas DC-3.

Postcard from Cornelia Yerkes to her parents discussing celebrating Christmas with her friend Bobby Willis' family. The postcard features an image of a TWA DC-3 in flight.

Letter from D. W. Kempner to Julium Rohers inquiring about the availability and cost of Adiantum tenerum 'Farleyense' Fern. Kempner notes that he is following up on advice from the Royal Palm Nurseries of Oneco, Florida

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story of fundamentalist radio preacher Carl McIntire who announced plans to begin broadcasts on his radio ship, a converted minesweeper carrying a 10,000 watt transmitter.

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story of a private research group which says that Vietnam veterans who attend school under the GI Bill are getting fewer benefits that World War 2 vets.

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story estimating the truck traffic in East and Midwest.

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story about FBI who has nabbed the last three of its reported suspects in the kidnapping of an eight year old John Calzadilla of Six Hills.

Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story about the day Billy Martin and the Texas rangers who have been preparing for the past few weeks for the opening of the 1974 major league Baseball season.