This folder contains correspondence and short reports, often bearing Edison marginalia. The documents cover the periods April-May, August, and November 1900. Included are estimates of coal needed and consumed at the Ogden works, assays of ore samples, analyses of briquettes, and instructions for taking down a tower. The principal authors are Walter S. Mallory, vice president, Harry S. Gay, superintendent, and Orville Benson, manager of the company. All of the documents have been selected. Courtesy of Thomas Edison National Historical Park.