Dawson to Eagle: 156 miles (7 to 10 days) From Dawson, the Yukon has become a giant river and runs northwest as it heads to the border with Alaska. The Ogilvie Mountains form the valley wall to the north and after 40 miles the Forty Mile River enters on river left. From Forty Mile it is about 110 miles to Eagle where the next access road is found.
The Mine & The Park. It's finder's keepers at the Crater of Diamonds State Park in Murfreesboro, Arkansas. The only public diamond mine in the world, Crater of Diamonds offers you a one-of-a-kind adventure-the opportunity to hunt for real diamonds and to keep any you find.ome diamond mining operations also began in the years after the discovery, but for many reasons, shrouded in mystery, lawsuits, fines, bankruptcy and other reasons, they were unsuccessful. Then, in 1952, Millar opened a tourist operation at the mine. He dubbed the site, the Crater of Diamonds..
Open Pit Mining. Open pit mining, also known as strip mining, is the removal of surficial soils and uneconomic rock to get at the ore below. Ore grades are normally less than 0.5%. This is type of mining is only possible if the uranium ore is near the surface (normally less than 400 ft).The Jackpile Mine on Laguna Pueblo was once the world's largest open pit uranium mine. Jackpile Mine and the Village of Paguate (Laguna Pueblo).nderground Mining. Underground mining is used to get at higher concentrations of uranium that are too deep to get at from open-pit. The ore is drilled, then blasted to create debris which is then transported to the surface, then on to a mill. An example of a uranium mine schematic from McArthur River, Canada.