Witness how the ore is crushed, chemically treated, and purified to produce yellowcake, a concentrated uranium powder. From there, follow the refining process that converts yellowcake into ...

U.S. Vanadium opened the biggest uranium refining mill in the U.S.; by using a new process, it hopes to extract uranium from ores heretofore passed by. Spotted within a 200-mile radius of U.S ...

By the late 20th century, the U.S. uranium industry ... Energy digs up the ore, it processes and concentrates it into “yellowcake,” a product that must undergo further refining and enrichment ...

Founded in Cleveland in the late 19th century, Harshaw was a mid-sized producer of chemicals used in a variety of applications, from oil refining ... the book states. Uranium ore mined in Colorado ...

ST. GEORGE — Over 500 abandoned uranium mines sit on Navajo land, many with radiation levels above the federal safety limit set by the Environmental Protection Agency, according to the agency.

Months after the Navajo Nation’s president said the trucking of uranium ore across the reservation showed “blatant disregard for our tribal sovereignty,” the tribe and a uranium mining ...