1 map ; on sheet 131 x 182 cm.
Sunnyside Mine vicinity with underground workings, Eureka Mining District, Sec. 14, T.42 N., R.7 W., San Juan County, Colorado.; Eureka Mining District, Sec. 14, T.42 N., R.7 W., San Juan County, Colorado.
Photocopy; blueprint; on 2 sheets assembled. Shows mining claims and workings to July 31, 1915. Oriented with north to the upper right.