Browsing William S. Cordua, Ph.D by Title

Now showing items 86-89 of 89

    • Wisconsin talc 

      Cordua, William S. (William Sinclair), 1947- (St. Croix Rockhounds, Stillwater, MN, 1993)

    • Wisconsin wavellite 

      Cordua, William S. (William Sinclair), 1947- (St. Croix Rockhounds, Stillwater, MN, 1996)

    • Wisconsin's diamond six-pak 

      Cordua, William S. (William Sinclair), 1947- (St. Croix Rockhounds, Stillwater, MN, 1998)

    • The world's largest crystal 

      Cordua, William S. (William Sinclair), 1947- (St. Croix Rockhounds, Stillwater, MN, 1988)