Ross, C. C.2022-12-082022-12-08https://hdl.handle.net/11124/15585Scale approximately 1:3,600.Blueline.Photocopy.Oriented with north to the upper right.Shows mining claims located in Gregory Mining District, Sec. 12,T.3 S., R.73 W."3-4-36 traced by C.C. Ross."22 x 29 cmmine mapsengNo Known Copyright: http://rightsstatements.org/vocab/NKC/1.0/.Mining claims -- Colorado -- Gilpin County -- MapsStillImage