Gold Creek (Juneau, Alaska) subsequently the properties of the Ebner Gold Mining Company and the Alaska-Juneau Gold Mining Company. By 1 Jan. 1881, 71 placer claims had been registered in the area. Arrastras were in operation by 1881 with a 5-stamp mill in operation by 1882 to work the Humboldt claim. In 1898 the Last Chance Hydraulic Mining Company was formed to develop the placer by the same name. By 1903, sixty miners were working the three mines in Gold Creek. The mines are located on the "main lode system of the Juneau gold belt." The "principal rock of the mineral zone is black
Juneau gold belt fissure fillings of the area are comparable with the California "mother lode" deposits. Most of the gold mines in the Juneau belt occur in the band of black slate which lies between the schists to the northeast and the greenstones to the southwest. "The complex of veins which follow this black slate is described as the main lode system of the Juneau belt." "Parallelism of vein systems and ore deposits with the outcrops of bed-rock formations...is one of the noteworthy characteristics of the district." This results in a "linear distribution of the mines." Most of the gold deposits are found