Laporte, Léo F.
Encounter with the earth : materials and processes ; vol 1 / Leo F. Laporte. - San Francisco : Canfield Press, c1975. - v. 1 : ill. ; 23 cm.
Includes bibliographical references and index.
0063847825 (v. 1) : $5.95
75023034
Earth sciences.
Natural resources.
Pollution.
QE28 / .L24 1975b
550 / LAE
Encounter with the earth : materials and processes ; vol 1 / Leo F. Laporte. - San Francisco : Canfield Press, c1975. - v. 1 : ill. ; 23 cm.
Includes bibliographical references and index.
0063847825 (v. 1) : $5.95
75023034
Earth sciences.
Natural resources.
Pollution.
QE28 / .L24 1975b
550 / LAE