Hidden Treasure Mill

and Midas Stamp Mill


Avon Mill
Banta Hill Mine & Mill
Bobtail Mine
Bonanza & Freedom
California Mine
Chase Mine
Eureka Mine & Mill
Fifty Gold Mines Mill
Frontenac  Mine
Gold Coin Mine
Gold Collar
Grand Army
Grand Central Mine
Gregory Buell/U.P.R
Gunnell Mine
Hidden Treasure Mill
Humphry Concentrator
Iron City Mill
Meade Mill
New York Mill
Old Town Mine
Pease Kansas Mine
Pewabic/Iron Mines
Pittsburg Mine
Polar Star & Eagle Mill
Prize Mine
Randolf Mill
Rialto Mine
Rocky Mountain
Roderick Dhu
Saratoga Mine
Topeka Mine
Tucker Mine & Mill
Wheeler Mill
Whiting Mine


These mills were west of Black Hawk on Clear Creek, west of Chase Gulch and east of the Gilpin Engine House.

The mill used amalgamation and concentration processes.  It had 40-85 stamps, 2 outside amalgamation plates, 2 Wilfley tables.  It's capacity was 115 tons.

You can find a shipping summary form the San Juan Mine to the Hidden Treasure Mill for September 1890 in Documents.

Mile Post 36.73

Glimpses of Golden Gilpin Colorado 1909, Abbott Collection


Interior of Hidden Treasure

Source:  Dan Abbott



Looking west at the Hidden Treasure on right and Midas on Left.  Note the three rail leading to the mill.   Three rail stopped at this point.   The Gilpin mainline can be seen climbing the hill on the left.



Gilpin Historic Society

The Hidden Treasure model was created by Linda Irene Tingvik




From February 2002 Gilpin Railroad Quarterly


Home | Up | Avon Mill | Banta Hill Mine & Mill | Bobtail Mine | Bonanza & Freedom | California Mine | Chase Mine | Eureka Mine & Mill | Fifty Gold Mines Mill | Frontenac  Mine | Gold Coin Mine | Gold Collar | Grand Army | Grand Central Mine | Gregory Buell/U.P.R | Gunnell Mine | Hidden Treasure Mill | Humphry Concentrator | Iron City Mill | Meade Mill | New York Mill | Old Town Mine | Pease Kansas Mine | Pewabic/Iron Mines | Pittsburg Mine | Polar Star & Eagle Mill | Prize Mine | Randolf Mill | Rialto Mine | Rocky Mountain | Roderick Dhu | Saratoga Mine | Topeka Mine | Tucker Mine & Mill | Wheeler Mill | Whiting Mine

This page was last updated 01/12/08

Copyright 2007 by Mark Baldwin