Skip to main content
U.S. flag

An official website of the United States government

SchwartzwalderMineDSCN0211_CoverShot_l.png

2011 (approx.)

Detailed Description

Although a cement bulkhead blocks the portal to Schwartzwalder Mine, Colorado, there is a large pool of 140,000,000 gallons of water in the mine with approximately 30 micrograms per liter of dissolved uranium. Ralston Creek is approximately 300 feet away and 100 feet below this portal.

Sources/Usage

Public Domain.

Was this page helpful?