General/Base Info:
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Info Last updated: 20.12.2021 (09:04:48)
This is the only known photo type of the Doctor Mine as per today (October 19, 2020) that I know about. Found on the DPL site as a not so good source quality and I have worked over the image to try bringing out details of this early Raven Hill mine. I also added in a coloring effect as it seemed to help adding to the image.Doctor Mine
Photo by: Unknown
View is Colored, Enhanced, Cropped, Scaled from the DPL image X-62457
Copyright restrictions applying to use or reproduction of this image available from the Western History and Genealogy Dept., Denver Public Library, at
Media ID: 369
Id No. (Mine / 1902 map):
Combination Vertical & Adit Mine
Date Located / Formed:
14.09.1891 (Date of Location Certificate)
Raven Hill
Location Map Description:
Discovery / Formed by:
    Fate details:
    Owned by:
    • J.J. Cove
      -> 1892-09-28 [claim Map]
    • Lyman Robinson
      -> 1892-09-28 [claim Map]
    • H.E. Smith
      -> 1892-09-28 [claim Map]
    • Doctor Gold Mining and Milling Company
      -> 1898-xx-xx [reported as Owner]
    • Doctor-Jack Pot Mining Company
      -> 1911-05-01 [reported As Owner]
    Known claims:
    • Doctor lode - 7644
    Claim Links:
    Location Claim Description:
    Patented Date:
    Mineral Certificate No.:
    General Land Office No.:
    Known Transportation Connection:
      Extra Info/Details [Linked at One Time to the Entity]:
      Steam Hoist, Vertical Shaft & Incline Shaft
      Known Producing Info:
      March 1896 Reported 25 tons a day to Pueblo smelters
      April 1896 Reported about 20 tons a day shipments.
      General notes:
      Map is boring. The Discovery Shaft is about 1/5 northeast of the southwest border, with a second Shaft further northeast and a Tunnel southwest of the discovery shaft. Claim is part of a group of four sharing the same survey number, but has only one of them as a neighbor on the southeast.