Scope and Content Collection consists primarily of correspondence and newspaper clippings concerning the activities of Margretta S. Dietrich in Nebraska and New Mexico. Includes a series of letters sent by Edith Warner to Dietrich each Christmas from 1944 to 1951 describing the years events in the area of San Ildefonso Pueblo in northern New Mexico. Several of the letters briefly describe activities at Los Alamos National Laboratory in the early 1940s. Collection also includes a folder of biographical materials...