This eleven-box collection consists of William I. Palmer's correspondence; water, crop, and soil information; publications and articles; and documents from Palmer's various domestic and international projects. The collection is arranged into four sections: 1) records and correspondence, 2) papers written by Palmer and by others (arranged alphabetically), 3) information relating to the various institutions where Palmer worked (arranged chronologically), and 4) the project papers, arranged alphabetically. Within each folder, documents are arranged by date.