Geiser, Oregon (Bonanza Mine). An image of the address side of postcard is also attached to this record. The postmark says Aug. 15, 1901 or 1907. The big building at upper left is the mill. The two buildings with darker roofs in the middle of town are a store with hotel behind. In front of the store is a house. The big building at upper right is a barn. Small building in front of the barn is a grainery.