The bulk of the collection came from the estate of Mary Kerckhoff, who researched the Customhouse on behalf of the Yuma Assistance League. Other donated items have been added from a variety of sources.
This collection is organized into three series:
Series I – General: This series contains various documents concerning the Quartermaster Depot and related subjects. These documents include biographical material about various people related to the Depot, copies of ledgers from the time that the Depot was active, and copies of the deeds dating to the period in which the city of Yuma acquired the property. Also included in this series are materials concerning Mary Kerckhoff and her research into the history of the Customhouse.
Series II – Publications: This series contains historic structure reports, cultural resource investigation reports, manuals, and interpretive plans.
Series III – Media: This series contains media related to the Quartermaster Depot, including newspaper clippings, photographs, an audio interview and a video recording.
