Books by Johnson, Robert F.
Geology and bauxite deposits o
Geology and bauxite deposits of the central Riau Islands, Indonesia
Geology and ore deposits of th
Geology and ore deposits of the Cachoeira do Campo, Dom Bosco, and Ouro Branco quadrangles, Minas Gerais, Brazil
Cave deposits of phosphate roc
Cave deposits of phosphate rock in Central Djawa, Indonesia
Geology and ore deposits of th
Geology and ore deposits of the Atacocha district, Departamento de Pasco, Peru