Pikes Peak GOLD - A Photographic Account of The Cripple Creek and Victor Mining District by Fred and Jo Mazzulla
Colorado, USA
21 × 27 × 0.5 cm,
$15
Geology and Ore Deposits of the Rico District Colorado - Geological Survey Professional Paper 723
Washington, USA
22 × 27 × 0.5 cm,
$30
Rare-Earth Pegmatites of the South Platte District, Colorado by Wm. B. Simmons and E Wm. Heinrich
Colorado, USA
21 × 28 × 1 cm,
$40
Geology of the Aspen Mining District, Colorado (with Atlas) by Josiah Edward Spurr
Washington, USA
24 × 29 × 3 cm,
$75
SIDERITE on PYRITE after PYRRHOTITE
Eagle Mine, Gilman, Eagle County, Colorado, USA
9 × 10 × 8 cm,
$750
SIDERITE after DOLOMITE with SPHALERITE
Eagle Mine, Gilman, Eagle County, Colorado, USA
18 × 16 × 13 cm,
$850
GALENA with SIDERITE
Eagle Mine, Gilman, Eagle County, Colorado, USA
6.5 × 4.5 × 4 cm,
$200
GALENA on SPHALERITE
8888A Stope, Eagle Mine, Gilman, Eagle County, Colorado, USA
7.5 × 5 × 5 cm,
$1,500
GALENA on SPHALERITE
Eagle Mine, Gilman, Eagle County, Colorado, USA
8.5 × 4 × 4 cm,
$850
GALENA on SIDERITE
Eagle Mine, Gilman, Eagle County, Colorado, USA
6 × 7 × 3.5 cm,
$250
GALENA (SPINEL law twins)
Eagle Mine, Gilman, Eagle County, Colorado, USA
6.4 × 4 × 2 cm,
$150