Home › Authors › Midcontinent Strategic and Critical Minerals Project (U.S.). Workshop 👤 Midcontinent Strategic and Critical Minerals Project (U.S.). Workshop 2 books Books by Midcontinent Strategic and Critical Minerals Project (U.S.). Workshop The midcontinent of the United The midcontinent of the United States--permissive terrane for an Olympic-Dam type deposit 1991 The midcontinent of the United The midcontinent of the United States 1990