• Cross gold mine 

        Author(s):Hendricks Mining Company
        Format:mine maps
        Shows mine workings and vein systems in the Cross mine, along with surface drilling locations and results.
      • Plan map Cross mine area, Boulder County, Colorado 

        Author(s):Barrett, Larry F.; Hendricks Mining Company
        Date Issued:1989-09-08
        Format:mine maps
        Shows vein systems and mine workings in the Cross mine, along with drilling sampling locations and results.
      • Cross gold mine, Caribou, Colorado 

        Author(s):Hendricks Mining Company
        Date Issued:1988?
        Format:cross sections
        Shows the vein systems within the Cross gold mine looking north. Includes illustration of various levels and a proposed mine shaft.