U.S. DEPARTMENT OF THE INTERIORBUREAU OF LAND MANAGEMENT
California

News.bytes News.bytes Extra, issue 235

Boston Mine cleanup - photos #1


The centrifugal force generated in this equipment retains the heavier minerals and ejects clean sand and gravel.
The centrifugal force generated in this equipment retains the heavier minerals and ejects clean sand and gravel

Clean sand and gravel pour down a chute in a muddy stream, after being washed in the centrifugal machinery.
Clean sand and gravel pour down a chute in a muddy stream, after being washed in the centrifugal machinery

The remaining material from the centrifuge is fed onto the PMX wheel. As it turns, the heavy mercury material winds its way to the hole and is caught in a container for disposal.
As the PMX wheel turns, the heavy mercury material winds its way to the hole and is caught in a container for disposal.

The darker mercury material works its way to the hole to be caught in a container for disposal.
The darker mercury material works its way to the hole to be caught in a container for disposal

An example of the some of the mercury cleaned from the site.
The shiny material in the bottom of the pan is an example of mercury cleaned from the site

The tunnel dug with pick axes to feed the sluice is now cleaned out, and concrete poured to prevent any further disturbance of the soil
The feeder tunnel, now cleaned out and its floor covered with concrete.

Next page of photos

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BLM California News.bytes, issue 235