Small Mining Operations
Preserving the True History of the Ivanhoe
April 2019 by R. V. Larson
My partner had the contacts and it wasn’t long before we had an agreement in place and the company had a geologist on site. I recall a time when he was getting the lay of the land, so to speak, and he broke off a rock sample and inspected it with his magnifier.
Exploring Placers with Auger Drills

Ask the Experts
Setting up a gravity dredge
Recovering Fine Gold with Oleophilic Adhesion

All About Hard Rock Drills
There are three basic power sources for rock drills—electricity, gasoline and compressed air. Before we go into big pneumatic drills, we’ll start with a quick rundown of each.
The Basics of Froth Flotation

Gold Rush in the Congo—Part II

Hard Rock Milling: A Matter of Scale

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