Yuma Quartermaster Depot State Historic Park, formerly Yuma Crossing State Historic Park, and now one of the Yuma Crossing and Associated Sites on the National Register of Historic Places in the Yuma Crossing National Heritage Area. It is an Arizona state park in the city of Yuma, Arizona, USA. The Yuma Quartermaster Depot was an important quartermaster depot during the 1870s. Goods were shipped up the Colorado River from the Sea of Cortez and stored at Yuma for distribution to the desert frontier forts in the Southwestern United States territories.